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b311480e | 1 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
2 | // | |
3 | // The content of this file is subject to the Open CASCADE Technology Public | |
4 | // License Version 6.5 (the "License"). You may not use the content of this file | |
5 | // except in compliance with the License. Please obtain a copy of the License | |
6 | // at http://www.opencascade.org and read it completely before using this file. | |
7 | // | |
8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
10 | // | |
11 | // The Original Code and all software distributed under the License is | |
12 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
13 | // Initial Developer hereby disclaims all such warranties, including without | |
14 | // limitation, any warranties of merchantability, fitness for a particular | |
15 | // purpose or non-infringement. Please see the License for the specific terms | |
16 | // and conditions governing the rights and limitations under the License. | |
17 | ||
7fd59977 | 18 | // pdn 10.12.98: tr9_r0501-ug |
19 | // pdn 28.12.98: PRO10366 shifting pcurve between two singularities | |
20 | //:k7 abv 5.01.99: USA60022.igs ent 243: FixMissingSeam() improved | |
21 | //:l2 abv 10.01.99: USA60022 7289: corrections for reversed face | |
22 | //gka 11.01.99 file PRO7755.stp #2018: work-around error in BRepLib_MakeFace | |
23 | //:p4 abv, pdn 23.02.99: PRO9234 #15720: call BRepTools::Update() for faces | |
24 | // rln 03.03.99 S4135: transmission of parameter precision to SA_Surface::NbSingularities | |
25 | //:q5 abv 19.03.99 code improvement | |
26 | //%14 pdn 15.03.99 adding function for fixing null area wires | |
27 | //%15 pdn 20.03.99 code improvement | |
28 | // abv 09.04.99 S4136: improve tolerance management; remove unused flag Closed | |
29 | //#4 szv S4163: optimization | |
30 | // smh 31.01.01 BUC60810 : Case of small wire on face in solid | |
31 | // sln 25.09.2001 checking order of 3d and 2d representation curves | |
32 | // abv 19.10.2001 FixAddNaturalBound improved and extracted as separate fix | |
33 | // skl,pdn 14.05.2002 OCC55 (correction precision for small faces) | |
34 | ||
35 | #include <ShapeFix_Face.ixx> | |
36 | ||
37 | #include <Standard_Failure.hxx> | |
38 | #include <Standard_ErrorHandler.hxx> | |
39 | ||
40 | #include <Precision.hxx> | |
41 | ||
42 | #include <Geom2d_Curve.hxx> | |
43 | #include <Geom2d_Line.hxx> | |
fdabc211 | 44 | #include <Geom2dAdaptor_Curve.hxx> |
7fd59977 | 45 | #include <Geom_Curve.hxx> |
46 | #include <Geom_BSplineSurface.hxx> | |
47 | #include <GeomAdaptor_HSurface.hxx> | |
48 | ||
49 | #include <TopoDS.hxx> | |
50 | #include <TopoDS_Edge.hxx> | |
51 | #include <TopoDS_Vertex.hxx> | |
52 | #include <TopoDS_Shell.hxx> | |
53 | #include <TopoDS_Compound.hxx> | |
54 | #include <TopoDS_Iterator.hxx> | |
55 | #include <TopExp_Explorer.hxx> | |
56 | #include <TopTools_SequenceOfShape.hxx> | |
57 | ||
58 | #include <BRep_Tool.hxx> | |
59 | #include <BRep_Builder.hxx> | |
60 | #include <BRepTopAdaptor_FClass2d.hxx> | |
61 | #include <BRepTools.hxx> | |
84dc990a | 62 | #include <BRepTools_WireExplorer.hxx> |
7fd59977 | 63 | #include <BRepBuilderAPI_MakeFace.hxx> |
84dc990a S |
64 | #include <BRepBuilderAPI_MakeVertex.hxx> |
65 | #include <BRepBuilderAPI_MakeWire.hxx> | |
7fd59977 | 66 | |
67 | #include <Message_Msg.hxx> | |
68 | #include <ShapeBuild_ReShape.hxx> | |
69 | #include <ShapeExtend_WireData.hxx> | |
70 | #include <ShapeAnalysis.hxx> | |
71 | #include <ShapeFix_Wire.hxx> | |
72 | #include <ShapeFix_Edge.hxx> | |
73 | #include <ShapeAnalysis_Edge.hxx> | |
74 | #include <Bnd_Box2d.hxx> | |
84dc990a | 75 | #include <Geom_Circle.hxx> |
7fd59977 | 76 | #include <Geom_SphericalSurface.hxx> |
77 | #include <Geom_RectangularTrimmedSurface.hxx> | |
84dc990a | 78 | #include <Geom_ConicalSurface.hxx> |
7fd59977 | 79 | #include <ShapeAnalysis_Wire.hxx> |
80 | #include <ShapeAnalysis_Surface.hxx> | |
81 | ||
82 | #include <ShapeExtend_CompositeSurface.hxx> | |
83 | #include <ShapeFix_ComposeShell.hxx> | |
84 | #include <TColGeom_HArray2OfSurface.hxx> | |
85 | #include <ShapeBuild_Edge.hxx> | |
86 | #include <TColgp_SequenceOfPnt2d.hxx> | |
87 | #include <Bnd_Box.hxx> | |
88 | #include <TopTools_IndexedMapOfShape.hxx> | |
89 | #include <TopTools_DataMapOfShapeListOfShape.hxx> | |
90 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
91 | #include <TopTools_MapOfShape.hxx> | |
92 | #include <TopoDS.hxx> | |
93 | #include <TopExp.hxx> | |
94 | ||
95 | #include <ShapeFix.hxx> | |
96 | #include <ShapeFix_DataMapOfShapeBox2d.hxx> | |
97 | #include <BndLib_Add2dCurve.hxx> | |
98 | #include <Geom2dAdaptor_Curve.hxx> | |
99 | #include <IntRes2d_Domain.hxx> | |
100 | #include <Geom2dInt_GInter.hxx> | |
101 | #include <IntRes2d_IntersectionPoint.hxx> | |
102 | #include <IntRes2d_Transition.hxx> | |
103 | #include <TopTools_SequenceOfShape.hxx> | |
104 | #include <IntRes2d_IntersectionSegment.hxx> | |
105 | #include <TopTools_DataMapOfShapeInteger.hxx> | |
106 | ||
107 | #include <ShapeFix_IntersectionTool.hxx> | |
108 | #include <ShapeFix_SplitTool.hxx> | |
109 | #include <TColStd_MapOfInteger.hxx> | |
110 | #include <TopTools_DataMapOfShapeShape.hxx> | |
111 | ||
112 | #ifdef DEB | |
113 | #define DEBUG | |
114 | #endif | |
115 | ||
116 | //======================================================================= | |
117 | //function : ShapeFix_Face | |
118 | //purpose : | |
119 | //======================================================================= | |
120 | ||
121 | ShapeFix_Face::ShapeFix_Face() | |
122 | { | |
123 | myFwd = Standard_True; | |
124 | myStatus = 0; | |
125 | myFixWire = new ShapeFix_Wire; | |
126 | ClearModes(); | |
127 | } | |
128 | ||
129 | //======================================================================= | |
130 | //function : ShapeFix_Face | |
131 | //purpose : | |
132 | //======================================================================= | |
133 | ||
134 | ShapeFix_Face::ShapeFix_Face(const TopoDS_Face &face) | |
135 | { | |
136 | myFwd = Standard_True; | |
137 | myStatus = 0; | |
138 | myFixWire = new ShapeFix_Wire; | |
139 | ClearModes(); | |
140 | Init( face ); | |
141 | } | |
142 | ||
143 | //======================================================================= | |
144 | //function : ClearModes | |
145 | //purpose : | |
146 | //======================================================================= | |
147 | ||
148 | void ShapeFix_Face::ClearModes() | |
149 | { | |
84dc990a S |
150 | myFixWireMode = -1; |
151 | myFixOrientationMode = -1; | |
152 | myFixAddNaturalBoundMode = -1; | |
153 | myFixMissingSeamMode = -1; | |
154 | myFixSmallAreaWireMode = -1; | |
7fd59977 | 155 | myFixIntersectingWiresMode = -1; |
84dc990a S |
156 | myFixLoopWiresMode = -1; |
157 | myFixSplitFaceMode = -1; | |
158 | myAutoCorrectPrecisionMode = 1; | |
159 | myFixPeriodicDegenerated = -1; | |
7fd59977 | 160 | } |
161 | ||
162 | //======================================================================= | |
163 | //function : SetMsgRegistrator | |
164 | //purpose : | |
165 | //======================================================================= | |
166 | ||
167 | void ShapeFix_Face::SetMsgRegistrator(const Handle(ShapeExtend_BasicMsgRegistrator)& msgreg) | |
168 | { | |
169 | ShapeFix_Root::SetMsgRegistrator ( msgreg ); | |
170 | myFixWire->SetMsgRegistrator ( msgreg ); | |
171 | } | |
172 | ||
173 | //======================================================================= | |
174 | //function : SetPrecision | |
175 | //purpose : | |
176 | //======================================================================= | |
177 | ||
178 | void ShapeFix_Face::SetPrecision (const Standard_Real preci) | |
179 | { | |
180 | ShapeFix_Root::SetPrecision ( preci ); | |
181 | myFixWire->SetPrecision ( preci ); | |
182 | } | |
183 | ||
184 | //======================================================================= | |
185 | //function : SetMinTolerance | |
186 | //purpose : | |
187 | //======================================================================= | |
188 | ||
189 | void ShapeFix_Face::SetMinTolerance (const Standard_Real mintol) | |
190 | { | |
191 | ShapeFix_Root::SetMinTolerance ( mintol ); | |
192 | myFixWire->SetMinTolerance ( mintol ); | |
193 | } | |
194 | ||
195 | //======================================================================= | |
196 | //function : SetMaxTolerance | |
197 | //purpose : | |
198 | //======================================================================= | |
199 | ||
200 | void ShapeFix_Face::SetMaxTolerance (const Standard_Real maxtol) | |
201 | { | |
202 | ShapeFix_Root::SetMaxTolerance ( maxtol ); | |
203 | myFixWire->SetMaxTolerance ( maxtol ); | |
204 | } | |
205 | ||
206 | //======================================================================= | |
207 | //function : Init | |
208 | //purpose : | |
209 | //======================================================================= | |
210 | ||
211 | void ShapeFix_Face::Init (const Handle(Geom_Surface)& surf, | |
212 | const Standard_Real preci, const Standard_Boolean fwd) | |
213 | { | |
214 | myStatus = 0; | |
215 | Handle(ShapeAnalysis_Surface) sas = new ShapeAnalysis_Surface ( surf ); | |
216 | Init ( sas, preci, fwd ); | |
217 | } | |
218 | ||
219 | //======================================================================= | |
220 | //function : Init | |
221 | //purpose : | |
222 | //======================================================================= | |
223 | ||
224 | void ShapeFix_Face::Init (const Handle(ShapeAnalysis_Surface)& surf, | |
225 | const Standard_Real preci, const Standard_Boolean fwd) | |
226 | { | |
227 | myStatus = 0; | |
228 | mySurf = surf; | |
229 | SetPrecision ( preci ); | |
230 | BRep_Builder B; | |
231 | B.MakeFace ( myFace, mySurf->Surface(), ::Precision::Confusion() ); | |
232 | myShape = myFace; | |
233 | myFwd = fwd; | |
234 | if ( !fwd ) myFace.Orientation(TopAbs_REVERSED); | |
235 | } | |
236 | ||
237 | //======================================================================= | |
238 | //function : Init | |
239 | //purpose : | |
240 | //======================================================================= | |
241 | ||
242 | void ShapeFix_Face::Init (const TopoDS_Face& face) | |
243 | { | |
244 | myStatus = 0; | |
245 | mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface (face) ); | |
246 | myFwd = ( face.Orientation() != TopAbs_REVERSED ); | |
247 | myFace = face; | |
248 | myShape = myFace; | |
249 | // myFace = TopoDS::Face(face.EmptyCopied()); | |
250 | // for (TopoDS_Iterator ws (face,Standard_False); ws.More(); ws.Next()) | |
251 | // Add (TopoDS::Wire (ws.Value()) ); | |
252 | } | |
253 | ||
254 | //======================================================================= | |
255 | //function : Add | |
256 | //purpose : | |
257 | //======================================================================= | |
258 | ||
259 | void ShapeFix_Face::Add (const TopoDS_Wire& wire) | |
260 | { | |
261 | if ( wire.IsNull() ) return; | |
262 | BRep_Builder B; | |
263 | //szv#4:S4163:12Mar99 SGI warns | |
264 | TopoDS_Shape fc = myFace.Oriented(TopAbs_FORWARD); //:l2 abv 10 Jan 99: Oriented() | |
265 | B.Add ( fc, wire ); | |
266 | } | |
267 | ||
268 | ||
269 | //======================================================================= | |
270 | //function : SplitWire | |
271 | //purpose : auxilary - try to split wire (it is needed if some segments | |
272 | // were removed in ShapeFix_Wire::FixSelfIntersection() | |
273 | //======================================================================= | |
fdabc211 | 274 | static Standard_Boolean SplitWire(const TopoDS_Face &face, const TopoDS_Wire& wire, |
7fd59977 | 275 | TopTools_SequenceOfShape& aResWires) |
276 | { | |
277 | TColStd_MapOfInteger UsedEdges; | |
278 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
279 | Standard_Integer i,j,k; | |
280 | ShapeAnalysis_Edge sae; | |
281 | for(i=1; i<=sewd->NbEdges(); i++) { | |
282 | if(UsedEdges.Contains(i)) continue; | |
283 | TopoDS_Edge E1 = sewd->Edge(i); | |
284 | UsedEdges.Add(i); | |
285 | TopoDS_Vertex V0,V1,V2; | |
286 | V0 = sae.FirstVertex(E1); | |
287 | V1 = sae.LastVertex(E1); | |
288 | Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData; | |
289 | sewd1->Add(E1); | |
290 | Standard_Boolean IsConnectedEdge = Standard_True; | |
291 | for(j=2; j<=sewd->NbEdges() && IsConnectedEdge; j++) { | |
fdabc211 | 292 | TopoDS_Edge E2; |
7fd59977 | 293 | for(k=2; k<=sewd->NbEdges(); k++) { |
294 | if(UsedEdges.Contains(k)) continue; | |
fdabc211 | 295 | E2 = sewd->Edge(k); |
7fd59977 | 296 | TopoDS_Vertex V21 = sae.FirstVertex(E2); |
297 | TopoDS_Vertex V22 = sae.LastVertex(E2); | |
298 | if( sae.FirstVertex(E2).IsSame(V1) ) { | |
299 | sewd1->Add(E2); | |
300 | UsedEdges.Add(k); | |
301 | V1 = sae.LastVertex(E2); | |
302 | break; | |
303 | } | |
304 | } | |
7fd59977 | 305 | if(k>sewd->NbEdges()) { |
306 | IsConnectedEdge = Standard_False; | |
307 | break; | |
308 | } | |
fdabc211 | 309 | if(V1.IsSame(V0)) { |
310 | //check that V0 and V1 are same in 2d too | |
311 | Standard_Real a1,b1,a2,b2; | |
312 | Handle (Geom2d_Curve) curve1 = BRep_Tool::CurveOnSurface(E1,face,a1,b1); | |
313 | Handle (Geom2d_Curve) curve2 = BRep_Tool::CurveOnSurface(E2,face,a2,b2); | |
314 | gp_Pnt2d v0,v1; | |
315 | if (E1.Orientation() == TopAbs_REVERSED) | |
316 | a1 = b1; | |
317 | if (E2.Orientation() == TopAbs_REVERSED) | |
318 | b2 = a2; | |
319 | curve1->D0(a1,v0); | |
320 | curve2->D0(b2,v1); | |
321 | GeomAdaptor_Surface anAdaptor(BRep_Tool::Surface(face)); | |
322 | Standard_Real tol = Max(BRep_Tool::Tolerance(V0),BRep_Tool::Tolerance(V1)); | |
323 | Standard_Real maxResolution = 2 * Max ( anAdaptor.UResolution(tol), anAdaptor.VResolution(tol) ); | |
324 | if (v0.SquareDistance(v1) < maxResolution) { | |
325 | // new wire is closed, put it into sequence | |
326 | aResWires.Append(sewd1->Wire()); | |
327 | break; | |
328 | } | |
329 | } | |
7fd59977 | 330 | } |
331 | if(!IsConnectedEdge) { | |
332 | // create new notclosed wire | |
333 | aResWires.Append(sewd1->Wire()); | |
334 | } | |
335 | if(UsedEdges.Extent()==sewd->NbEdges()) break; | |
336 | } | |
337 | ||
338 | if(aResWires.Length()>1) { | |
339 | #ifdef DEBUG | |
340 | cout<<"Wire was splitted on "<<aResWires.Length()<<" wires"<< endl; | |
341 | #endif | |
342 | } | |
343 | ||
344 | return Standard_True; | |
345 | } | |
346 | ||
347 | ||
348 | //======================================================================= | |
349 | //function : Perform | |
350 | //purpose : | |
351 | //======================================================================= | |
352 | ||
353 | Standard_Boolean ShapeFix_Face::Perform() | |
354 | { | |
355 | myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); | |
356 | myFixWire->SetContext ( Context() ); | |
357 | Handle(ShapeFix_Wire) theAdvFixWire = Handle(ShapeFix_Wire)::DownCast(myFixWire); | |
358 | if (theAdvFixWire.IsNull()) return Standard_False; | |
359 | ||
360 | BRep_Builder B; | |
361 | TopoDS_Shape aInitFace = myFace; | |
362 | // perform first part of fixes on wires | |
363 | Standard_Boolean isfixReorder = Standard_False; | |
364 | Standard_Boolean isReplaced = Standard_False; | |
365 | ||
366 | //gka fix in order to avoid lost messages (following OCC21771) | |
367 | TopTools_DataMapOfShapeShape aMapReorderedWires; | |
368 | ||
369 | Standard_Real aSavPreci = Precision(); | |
370 | if ( NeedFix ( myFixWireMode ) ) { | |
371 | theAdvFixWire->SetFace ( myFace ); | |
372 | ||
373 | Standard_Integer usFixLackingMode = theAdvFixWire->FixLackingMode(); | |
374 | Standard_Integer usFixNotchedEdgesMode = theAdvFixWire->FixNotchedEdgesMode(); | |
375 | Standard_Integer usFixSelfIntersectionMode = theAdvFixWire->FixSelfIntersectionMode(); | |
376 | theAdvFixWire->FixLackingMode() = Standard_False; | |
377 | theAdvFixWire->FixNotchedEdgesMode() = Standard_False; | |
378 | theAdvFixWire->FixSelfIntersectionMode() = Standard_False; | |
379 | ||
380 | Standard_Boolean fixed = Standard_False; | |
381 | TopoDS_Shape S = myFace; | |
382 | if ( ! Context().IsNull() ) | |
383 | S = Context()->Apply ( myFace ); | |
384 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
385 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
386 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
387 | ||
388 | /* | |
389 | // skl 14.05.2002 OCC55 + corrected 03.03.2004 | |
390 | Standard_Real dPreci = aSavPreci*aSavPreci; | |
391 | dPreci*=4; | |
392 | Standard_Real newpreci=dPreci; | |
393 | for(TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next()) { | |
394 | TopoDS_Edge edge = TopoDS::Edge ( exp.Current() ); | |
395 | Standard_Real first,last; | |
396 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge, first, last); | |
397 | if(!c3d.IsNull()) { | |
398 | Bnd_Box bb; | |
399 | bb.Add(c3d->Value(first)); | |
400 | bb.Add(c3d->Value(last)); | |
401 | bb.Add(c3d->Value((last+first)/2.)); | |
402 | Standard_Real x1,x2,y1,y2,z1,z2,size; | |
403 | bb.Get(x1,y1,z1,x2,y2,z2); | |
404 | size = (x2-x1)*(x2-x1) + (y2-y1)*(y2-y1) + (z2-z1)*(z2-z1); | |
405 | if(size<newpreci) newpreci=size; | |
406 | } | |
407 | } | |
408 | newpreci=sqrt(newpreci)/2.*1.00001; | |
409 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { | |
410 | SetPrecision(newpreci); | |
411 | theAdvFixWire->SetPrecision(newpreci); | |
412 | } | |
413 | // end skl 14.05.2002 | |
414 | */ | |
415 | ||
416 | // skl 29.03.2010 (OCC21623) | |
417 | if( myAutoCorrectPrecisionMode ) { | |
418 | Standard_Real size = ShapeFix::LeastEdgeSize(S); | |
419 | Standard_Real newpreci = Min(aSavPreci,size/2.); | |
420 | newpreci = newpreci*1.00001; | |
421 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { | |
422 | SetPrecision(newpreci); | |
423 | theAdvFixWire->SetPrecision(newpreci); | |
424 | } | |
425 | } | |
426 | ||
427 | isfixReorder = Standard_False; | |
428 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
429 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
430 | B.Add ( tmpFace, iter.Value() ); | |
431 | continue; | |
432 | } | |
433 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
434 | theAdvFixWire->Load ( wire ); | |
435 | if(theAdvFixWire->NbEdges() == 0) { | |
436 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) | |
437 | B.Add ( tmpFace, wire ); | |
438 | else { | |
439 | fixed = Standard_True; | |
440 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
441 | } | |
442 | continue; | |
443 | } | |
444 | if ( theAdvFixWire->Perform() ) { | |
445 | //fixed = Standard_True; | |
d3c5411b | 446 | isfixReorder = (theAdvFixWire->StatusReorder(ShapeExtend_DONE) || isfixReorder); |
7fd59977 | 447 | fixed = (theAdvFixWire->StatusSmall(ShapeExtend_DONE) || |
448 | theAdvFixWire->StatusConnected(ShapeExtend_DONE) || | |
449 | theAdvFixWire->StatusEdgeCurves(ShapeExtend_DONE) || | |
450 | theAdvFixWire->StatusDegenerated(ShapeExtend_DONE) || | |
451 | theAdvFixWire->StatusClosed(ShapeExtend_DONE)); | |
452 | TopoDS_Wire w = theAdvFixWire->Wire(); | |
453 | if(fixed) { | |
454 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); | |
455 | if(theAdvFixWire->NbEdges() == 0) { | |
456 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
457 | continue; | |
458 | } | |
459 | } | |
460 | else if(!wire.IsSame(w)) | |
461 | aMapReorderedWires.Bind(wire,w); | |
462 | ||
463 | wire = w; | |
464 | } | |
465 | B.Add ( tmpFace, wire ); | |
466 | // if ( theAdvFixWire->Status ( ShapeExtend_FAIL ) ) | |
467 | // myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); | |
468 | } | |
469 | ||
470 | theAdvFixWire->FixLackingMode() = usFixLackingMode; | |
471 | theAdvFixWire->FixNotchedEdgesMode() = usFixNotchedEdgesMode; | |
472 | theAdvFixWire->FixSelfIntersectionMode() = usFixSelfIntersectionMode; | |
473 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
474 | ||
475 | if ( fixed ) { | |
476 | //if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
477 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
478 | //myFace = tmpFace; | |
479 | isReplaced = Standard_True; | |
7fd59977 | 480 | } |
673693f1 | 481 | if(fixed || isfixReorder) { |
7fd59977 | 482 | myFace = tmpFace; |
d3c5411b | 483 | if (!theAdvFixWire->StatusReorder(ShapeExtend_DONE5)) { |
484 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); | |
485 | } | |
673693f1 | 486 | } |
7fd59977 | 487 | } |
488 | ||
489 | myResult = myFace; | |
490 | TopoDS_Shape savShape = myFace; //gka BUG 6555 | |
84dc990a S |
491 | |
492 | // Specific case for conic surfaces | |
493 | if ( NeedFix(myFixPeriodicDegenerated) ) | |
494 | this->FixPeriodicDegenerated(); | |
495 | ||
7fd59977 | 496 | // fix missing seam |
497 | if ( NeedFix ( myFixMissingSeamMode ) ) { | |
498 | if ( FixMissingSeam() ) { | |
499 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); | |
500 | } | |
501 | } | |
502 | ||
503 | // cycle by all possible faces coming from FixMissingSeam | |
504 | // each face is processed as if it was single | |
505 | TopExp_Explorer exp(myResult,TopAbs_FACE); | |
506 | for ( ; exp.More(); exp.Next() ) { | |
507 | myFace = TopoDS::Face ( exp.Current() ); | |
508 | Standard_Boolean NeedCheckSplitWire = Standard_False; | |
509 | ||
510 | // perform second part of fixes on wires | |
511 | if ( NeedFix ( myFixWireMode ) ) { | |
512 | theAdvFixWire->SetFace ( myFace ); | |
513 | ||
514 | Standard_Integer usFixSmallMode = theAdvFixWire->FixSmallMode(); | |
515 | Standard_Integer usFixConnectedMode = theAdvFixWire->FixConnectedMode(); | |
516 | Standard_Integer usFixEdgeCurvesMode =theAdvFixWire->FixEdgeCurvesMode(); | |
517 | Standard_Integer usFixDegeneratedMode = theAdvFixWire->FixDegeneratedMode(); | |
518 | theAdvFixWire->FixSmallMode() = Standard_False; | |
519 | theAdvFixWire->FixConnectedMode() = Standard_False; | |
520 | theAdvFixWire->FixEdgeCurvesMode() = Standard_False; | |
521 | theAdvFixWire->FixDegeneratedMode() = Standard_False; | |
522 | ||
523 | Standard_Boolean fixed = Standard_False; | |
524 | TopoDS_Shape S = myFace; | |
525 | if ( ! Context().IsNull() ) | |
526 | S = Context()->Apply ( myFace ); | |
527 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
528 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
529 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
530 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
531 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
532 | B.Add ( tmpFace,iter.Value()); | |
533 | continue; | |
534 | } | |
535 | ||
536 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
537 | theAdvFixWire->Load ( wire ); | |
538 | if(theAdvFixWire->NbEdges() == 0) { | |
539 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) | |
540 | B.Add ( tmpFace, wire ); | |
541 | else { | |
542 | fixed = Standard_True; | |
543 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
544 | } | |
545 | continue; | |
546 | } | |
547 | if ( theAdvFixWire->Perform() ) { | |
548 | isfixReorder = theAdvFixWire->StatusReorder(ShapeExtend_DONE); | |
549 | fixed = (theAdvFixWire->StatusLacking(ShapeExtend_DONE) || | |
550 | theAdvFixWire->StatusSelfIntersection(ShapeExtend_DONE) || | |
551 | theAdvFixWire->StatusNotches(ShapeExtend_DONE)); //Standard_True; | |
552 | TopoDS_Wire w = theAdvFixWire->Wire(); | |
553 | if(fixed) { | |
554 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); | |
555 | ||
556 | } | |
557 | else if(!wire.IsSame(w)) | |
558 | aMapReorderedWires.Bind(wire,w); | |
559 | ||
560 | wire = w; | |
561 | } | |
562 | if(theAdvFixWire->StatusRemovedSegment()) | |
563 | NeedCheckSplitWire = Standard_True; | |
564 | ||
565 | //fix for loop of wire | |
566 | TopTools_SequenceOfShape aLoopWires; | |
567 | if(NeedFix ( myFixLoopWiresMode) && FixLoopWire(aLoopWires)) { | |
999d2599 D |
568 | if (aLoopWires.Length() > 1) |
569 | SendWarning ( wire, Message_Msg ( "FixAdvFace.FixLoopWire.MSG0" ) );// Wire was splitted on several wires | |
7fd59977 | 570 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
571 | fixed = Standard_True; | |
572 | Standard_Integer k=1; | |
573 | for( ; k <= aLoopWires.Length(); k++) | |
574 | B.Add (tmpFace,aLoopWires.Value(k)); | |
575 | } | |
576 | else | |
577 | B.Add ( tmpFace, wire ); | |
578 | } | |
579 | ||
580 | theAdvFixWire->FixSmallMode() = usFixSmallMode; | |
581 | theAdvFixWire->FixConnectedMode() = usFixConnectedMode; | |
582 | theAdvFixWire->FixEdgeCurvesMode() = usFixEdgeCurvesMode; | |
583 | theAdvFixWire->FixDegeneratedMode() = usFixDegeneratedMode; | |
584 | ||
585 | if ( fixed ) { | |
586 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
587 | if(!isReplaced && !aInitFace.IsSame(myResult) && ! Context().IsNull()) //gka 06.09.04 BUG 6555 | |
588 | Context()->Replace(aInitFace,savShape); | |
589 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
590 | myFace = tmpFace; | |
591 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); | |
592 | } | |
593 | } | |
594 | ||
595 | if(NeedCheckSplitWire) { | |
596 | // try to split wire - it is needed if some segments were removed | |
597 | // in ShapeFix_Wire::FixSelfIntersection() | |
598 | TopoDS_Shape S = myFace; | |
599 | if ( ! Context().IsNull() ) | |
600 | S = Context()->Apply ( myFace ); | |
601 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
602 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
603 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
604 | TopTools_SequenceOfShape aWires; | |
605 | Standard_Integer nbw=0; | |
606 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
607 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
608 | B.Add (tmpFace,iter.Value()); | |
609 | continue; | |
610 | } | |
56084216 | 611 | if(iter.Value().Orientation() != TopAbs_FORWARD && |
7fd59977 | 612 | iter.Value().Orientation() != TopAbs_REVERSED) { |
613 | B.Add (tmpFace,TopoDS::Wire(iter.Value())); | |
614 | continue; | |
615 | } | |
616 | nbw++; | |
617 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
fdabc211 | 618 | SplitWire(tmpFace,wire,aWires); |
7fd59977 | 619 | } |
620 | if(nbw<aWires.Length()) { | |
621 | for(Standard_Integer iw=1; iw<=aWires.Length(); iw++) | |
622 | B.Add (tmpFace,aWires.Value(iw)); | |
623 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
624 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); | |
625 | myFace = tmpFace; | |
626 | } | |
627 | } | |
628 | ||
629 | // fix intersecting wires | |
630 | if(FixWiresTwoCoincEdges()) | |
631 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
632 | if ( NeedFix ( myFixIntersectingWiresMode ) ) { | |
633 | if ( FixIntersectingWires() ) { | |
634 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); | |
635 | } | |
636 | } | |
637 | ||
638 | // fix orientation | |
639 | TopTools_DataMapOfShapeListOfShape MapWires; | |
640 | MapWires.Clear(); | |
641 | if ( NeedFix ( myFixOrientationMode ) ) { | |
642 | if ( FixOrientation(MapWires) ) | |
643 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); | |
644 | } | |
645 | ||
646 | BRepTools::Update(myFace); | |
647 | ||
648 | // fix natural bounds | |
649 | Standard_Boolean NeedSplit = Standard_True; | |
650 | if ( NeedFix ( myFixAddNaturalBoundMode ) ) { | |
651 | if ( FixAddNaturalBound() ) { | |
652 | NeedSplit = Standard_False; | |
653 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
654 | } | |
655 | } | |
656 | ||
657 | // split face | |
658 | if ( NeedFix ( myFixSplitFaceMode ) && NeedSplit && MapWires.Extent()>1 ) { | |
659 | if ( FixSplitFace(MapWires) ) | |
660 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); | |
661 | } | |
662 | ||
663 | } | |
664 | ||
665 | //return the original preci | |
666 | SetPrecision(aSavPreci); | |
667 | theAdvFixWire->SetPrecision(aSavPreci); | |
668 | ||
669 | // cycle by all possible faces coming from FixAddNaturalBound | |
670 | // each face is processed as if it was single | |
671 | for ( exp.Init(myResult,TopAbs_FACE); exp.More(); exp.Next() ) { | |
672 | myFace = TopoDS::Face ( exp.Current() ); | |
673 | ||
674 | // fix small-area wires | |
675 | if ( NeedFix ( myFixSmallAreaWireMode, Standard_False ) ) { | |
676 | if ( FixSmallAreaWire() ) | |
677 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); | |
678 | } | |
679 | } | |
680 | ||
681 | ||
682 | if ( ! Context().IsNull() ) { | |
683 | if(Status ( ShapeExtend_DONE ) && !isReplaced && !aInitFace.IsSame(savShape)) | |
684 | { | |
685 | //gka fix in order to avoid lost messages (following OCC21771) | |
686 | if(aMapReorderedWires.Extent()) | |
687 | { | |
688 | TopoDS_Iterator aItW(aInitFace,Standard_False); | |
689 | for( ; aItW.More() ; aItW.Next()) | |
690 | { | |
691 | TopoDS_Shape aCurW = aItW.Value(); | |
692 | while(aMapReorderedWires.IsBound(aCurW)) | |
693 | { | |
694 | TopoDS_Shape aFixW = aMapReorderedWires.Find(aCurW); | |
695 | Context()->Replace(aCurW, aFixW); | |
696 | aCurW = aFixW; | |
697 | } | |
698 | } | |
699 | ||
700 | } | |
701 | Context()->Replace(aInitFace, savShape); | |
702 | } | |
703 | myResult = Context()->Apply ( aInitFace ); //gka 06.09.04 | |
704 | } | |
705 | else if(!Status ( ShapeExtend_DONE )) | |
706 | myResult = aInitFace; | |
707 | ||
708 | return Status ( ShapeExtend_DONE ); | |
709 | } | |
710 | ||
711 | //======================================================================= | |
712 | //function : Auxiliary functions | |
713 | //purpose : | |
714 | //======================================================================= | |
715 | ||
716 | // Shift all pcurves of edges in the given wire on the given face | |
717 | // to vector <vec> | |
718 | static void Shift2dWire(const TopoDS_Wire w, const TopoDS_Face f, | |
719 | const gp_Vec2d vec, | |
720 | const Handle(ShapeAnalysis_Surface)& mySurf, | |
721 | Standard_Boolean recompute3d = Standard_False) | |
722 | { | |
723 | gp_Trsf2d tr2d; | |
724 | tr2d.SetTranslation(vec.XY()); | |
725 | ShapeAnalysis_Edge sae; | |
726 | ShapeBuild_Edge sbe; | |
727 | BRep_Builder B; | |
728 | for (TopoDS_Iterator ei (w,Standard_False); ei.More(); ei.Next()){ | |
729 | TopoDS_Edge edge = TopoDS::Edge(ei.Value()); | |
730 | Handle (Geom2d_Curve) C2d; | |
731 | Standard_Real cf, cl; | |
732 | if ( ! sae.PCurve(edge, f, C2d, cf, cl, Standard_True) ) continue; | |
733 | C2d->Transform(tr2d); | |
734 | if ( recompute3d ) { | |
735 | // recompute 3d curve and vertex | |
736 | sbe.RemoveCurve3d ( edge ); | |
737 | sbe.BuildCurve3d ( edge ); | |
738 | B.UpdateVertex ( sae.FirstVertex(edge), mySurf->Value(C2d->Value(cf)), 0. ); | |
739 | } | |
740 | } | |
741 | } | |
742 | ||
743 | // Cut interval from the sequence of intervals | |
744 | static Standard_Boolean CutInterval (TColgp_SequenceOfPnt2d &intervals, | |
745 | const gp_Pnt2d &toAddI, | |
746 | const Standard_Real period) | |
747 | { | |
748 | if ( intervals.Length() <=0 ) return Standard_False; | |
749 | for ( Standard_Integer j=0; j <2; j++ ) { // try twice, align to bottom and to top | |
750 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { | |
751 | gp_Pnt2d interval = intervals(i); | |
752 | // ACIS907, OCC921 a054a.sat (face 124) | |
753 | Standard_Real shift = ShapeAnalysis::AdjustByPeriod ( ( j ? toAddI.X() : toAddI.Y() ), | |
754 | 0.5*( interval.X() + interval.Y() ),period); | |
755 | gp_Pnt2d toAdd ( toAddI.X() + shift, toAddI.Y() + shift ); | |
756 | if ( toAdd.Y() <= interval.X() || toAdd.X() >= interval.Y() ) continue; | |
757 | if ( toAdd.X() > interval.X() ) { | |
758 | if ( toAdd.Y() < interval.Y() ) { | |
759 | intervals.InsertBefore ( i, interval ); | |
760 | intervals.ChangeValue(i+1).SetX ( toAdd.Y() ); // i++... | |
761 | } | |
762 | intervals.ChangeValue(i).SetY ( toAdd.X() ); | |
763 | } | |
764 | else if ( toAdd.Y() < interval.Y() ) { | |
765 | intervals.ChangeValue(i).SetX ( toAdd.Y() ); | |
766 | } | |
767 | else intervals.Remove ( i-- ); | |
768 | } | |
769 | } | |
770 | return Standard_True; | |
771 | } | |
772 | ||
773 | // Find middle of the biggest interval | |
774 | static Standard_Real FindBestInterval (TColgp_SequenceOfPnt2d &intervals) | |
775 | { | |
776 | Standard_Real shift = 0., max = -1.; | |
777 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { | |
778 | gp_Pnt2d interval = intervals(i); | |
779 | if ( interval.Y() - interval.X() <= max ) continue; | |
780 | max = interval.Y() - interval.X(); | |
781 | shift = interval.X() + 0.5 * max; | |
782 | } | |
783 | return shift; | |
784 | } | |
785 | ||
786 | //======================================================================= | |
787 | //function : FixAddNaturalBound | |
788 | //purpose : | |
789 | //======================================================================= | |
790 | // Detect missing natural bounary on spherical surfaces and add it if | |
791 | // necessary | |
792 | //pdn 981202: add natural bounds if missing (on sphere only) | |
793 | //:abv 28.08.01: rewritten and extended for toruses | |
794 | ||
795 | Standard_Boolean ShapeFix_Face::FixAddNaturalBound() | |
796 | { | |
797 | if ( ! Context().IsNull() ) { | |
798 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
799 | myFace = TopoDS::Face ( S ); | |
800 | } | |
801 | ||
802 | // collect wires in sequence | |
803 | TopTools_SequenceOfShape ws; | |
804 | TopTools_SequenceOfShape vs; | |
805 | TopoDS_Iterator wi (myFace,Standard_False); | |
806 | for ( ; wi.More(); wi.Next()) { | |
807 | if(wi.Value().ShapeType() == TopAbs_WIRE && | |
808 | (wi.Value().Orientation() == TopAbs_FORWARD || wi.Value().Orientation() == TopAbs_REVERSED)) | |
809 | ws.Append (wi.Value()); | |
810 | else | |
811 | vs.Append(wi.Value()); | |
812 | } | |
813 | ||
814 | // deal with case of empty face: just create a new one by standard tool | |
815 | if ( ws.Length() <=0 ) { | |
1c72dff6 | 816 | BRepBuilderAPI_MakeFace mf (mySurf->Surface(), Precision::Confusion()); |
7fd59977 | 817 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, mf.Face() ); |
818 | myFace = mf.Face(); | |
819 | ||
820 | //gka 11.01.99 file PRO7755.stp entity #2018 surface #1895: error BRepLib_MakeFace func IsDegenerated | |
821 | Handle(ShapeFix_Edge) sfe = myFixWire->FixEdgeTool(); | |
822 | for (TopExp_Explorer Eed (myFace, TopAbs_EDGE); Eed.More(); Eed.Next()) { | |
823 | TopoDS_Edge edg = TopoDS::Edge (Eed.Current()); | |
824 | sfe->FixVertexTolerance(edg); | |
825 | } | |
826 | ||
827 | // B.UpdateFace (myFace,myPrecision); | |
999d2599 | 828 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
7fd59977 | 829 | BRepTools::Update(myFace); |
830 | return Standard_True; | |
831 | } | |
832 | ||
833 | // check that surface is double-closed and fix is needed | |
834 | if ( ( mySurf->Adaptor3d()->GetType() != GeomAbs_Sphere && | |
835 | mySurf->Adaptor3d()->GetType() != GeomAbs_Torus ) || | |
836 | ShapeAnalysis::IsOuterBound (myFace) ) | |
837 | return Standard_False; | |
838 | ||
839 | // Collect informations on free intervals in U and V | |
840 | TColgp_SequenceOfPnt2d intU, intV, centers; | |
841 | Standard_Real SUF, SUL, SVF, SVL; | |
842 | mySurf->Bounds(SUF, SUL, SVF, SVL); | |
843 | intU.Append ( gp_Pnt2d(SUF, SUL) ); | |
844 | intV.Append ( gp_Pnt2d(SVF, SVL) ); | |
845 | Standard_Integer nb = ws.Length(); | |
846 | Standard_Integer i; | |
847 | for ( i=1; i <= nb; i ++) { | |
848 | Standard_Real Umin, Vmin, Umax, Vmax; | |
849 | // Bnd_Box2d B; | |
850 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); | |
851 | // PTV 01.11.2002 ACIS907, OCC921 begin | |
852 | // BRepTools::AddUVBounds(myFace,aw,B); | |
853 | // B.Get(Umin, Vmin, Umax, Vmax); | |
854 | TopoDS_Face aWireFace = TopoDS::Face( myFace.EmptyCopied() ); | |
855 | BRep_Builder aB; | |
856 | aB.Add( aWireFace, aw ); | |
857 | ShapeAnalysis::GetFaceUVBounds(aWireFace, Umin, Umax, Vmin, Vmax); | |
858 | // PTV 01.11.2002 ACIS907, OCC921 end | |
859 | if ( mySurf->IsUClosed() ) CutInterval ( intU, gp_Pnt2d(Umin,Umax), SUL-SUF ); | |
860 | if ( mySurf->IsVClosed() ) CutInterval ( intV, gp_Pnt2d(Vmin,Vmax), SVL-SVF ); | |
861 | centers.Append ( gp_Pnt2d ( 0.5*(Umin+Umax), 0.5*(Vmin+Vmax) ) ); | |
862 | } | |
863 | ||
864 | // find best interval and thus compute shift | |
865 | gp_Pnt2d shift(0.,0.); | |
866 | if ( mySurf->IsUClosed() ) shift.SetX ( FindBestInterval ( intU ) ); | |
867 | if ( mySurf->IsVClosed() ) shift.SetY ( FindBestInterval ( intV ) ); | |
868 | ||
869 | // Adjust all other wires to be inside outer one | |
870 | gp_Pnt2d center ( shift.X() + 0.5*(SUL-SUF), shift.Y() + 0.5*(SVL-SVF) ); | |
871 | for ( i=1; i <= nb; i++ ) { | |
872 | TopoDS_Wire wire = TopoDS::Wire (ws.Value(i)); | |
873 | gp_Pnt2d sh(0.,0.); | |
874 | if ( mySurf->IsUClosed() ) | |
875 | sh.SetX ( ShapeAnalysis::AdjustByPeriod ( centers(i).X(), center.X(), SUL-SUF ) ); | |
876 | if ( mySurf->IsVClosed() ) | |
877 | sh.SetY ( ShapeAnalysis::AdjustByPeriod ( centers(i).Y(), center.Y(), SVL-SVF ) ); | |
878 | Shift2dWire ( wire, myFace, sh.XY(), mySurf ); | |
879 | } | |
880 | ||
881 | // Create naturally bounded surface and add that wire to sequence | |
882 | /* variant 1 | |
883 | // Create fictive grid and call ComposeShell | |
884 | Handle(Geom_RectangularTrimmedSurface) RTS = | |
885 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), SUF+shift.X(), SUL+shift.X(), | |
886 | SVF+shift.Y(), SVL+shift.Y() ); | |
887 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); | |
888 | grid->SetValue ( 1, 1, RTS ); | |
889 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); | |
890 | TopLoc_Location L; | |
891 | ||
892 | ShapeFix_ComposeShell CompShell; | |
893 | CompShell.Init ( G, L, myFace, ::Precision::Confusion() ); | |
894 | CompShell.ClosedMode() = Standard_True; | |
895 | CompShell.NaturalBoundMode() = Standard_True; | |
896 | CompShell.SetContext( Context() ); | |
897 | CompShell.SetMaxTolerance(MaxTolerance()); | |
898 | CompShell.Perform(); | |
899 | TopoDS_Shape res = CompShell.Result(); | |
900 | ||
901 | Context()->Replace ( myFace, res ); | |
902 | for (TopExp_Explorer exp ( res, TopAbs_FACE ); exp.More(); exp.Next() ) { | |
903 | myFace = TopoDS::Face ( exp.Current() ); | |
904 | BRepTools::Update(myFace); //:p4 | |
905 | } | |
906 | myResult = Context()->Apply ( myResult ); | |
907 | */ | |
908 | /* variant 2 */ | |
909 | TopLoc_Location L; | |
910 | Handle(Geom_Surface) surf = BRep_Tool::Surface ( myFace, L ); | |
1c72dff6 | 911 | BRepBuilderAPI_MakeFace mf (surf, Precision::Confusion()); |
7fd59977 | 912 | TopoDS_Face ftmp = mf.Face(); |
913 | ftmp.Location ( L ); | |
914 | for (wi.Initialize (ftmp,Standard_False); wi.More(); wi.Next()) { | |
915 | if(wi.Value().ShapeType() != TopAbs_WIRE) | |
916 | continue; | |
917 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); | |
918 | ws.Append ( wire ); | |
919 | if ( shift.XY().Modulus() < ::Precision::PConfusion() ) continue; | |
920 | Shift2dWire ( wire, myFace, shift.XY(), mySurf, Standard_True ); | |
921 | } | |
922 | ||
923 | // Fix possible case on sphere when gap contains degenerated edge | |
924 | // and thus has a common part with natural boundary | |
925 | // Such hole should be merged with boundary | |
926 | if ( mySurf->Adaptor3d()->GetType() == GeomAbs_Sphere && | |
927 | ws.Length() == nb+1 ) { | |
928 | Handle(ShapeExtend_WireData) bnd = | |
929 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Last() ) ); | |
930 | // code to become separate method FixTouchingWires() | |
931 | for ( i=1; i <= nb; i++ ) { | |
932 | Handle(ShapeExtend_WireData) sbwd = | |
933 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Value(i) ) ); | |
934 | for (Standard_Integer j=1; j <= sbwd->NbEdges(); j++ ) { | |
935 | if ( ! BRep_Tool::Degenerated ( sbwd->Edge(j) ) ) continue; | |
936 | // find corresponding place in boundary | |
937 | ShapeAnalysis_Edge sae; | |
938 | TopoDS_Vertex V = sae.FirstVertex ( sbwd->Edge(j) ); | |
939 | Standard_Integer k; | |
940 | for ( k=1; k <= bnd->NbEdges(); k++ ) { | |
941 | if ( ! BRep_Tool::Degenerated ( bnd->Edge(k) ) ) continue; | |
942 | if ( BRepTools::Compare ( V, sae.FirstVertex ( bnd->Edge(k) ) ) ) break; | |
943 | } | |
944 | if ( k > bnd->NbEdges() ) continue; | |
945 | // and insert hole to that place | |
946 | BRep_Builder B; | |
947 | B.Degenerated ( sbwd->Edge(j), Standard_False ); | |
948 | B.Degenerated ( bnd->Edge(k), Standard_False ); | |
949 | sbwd->SetLast ( j ); | |
950 | bnd->Add ( sbwd, k+1 ); | |
951 | ws.Remove ( i-- ); | |
952 | nb--; | |
953 | myFixWire->SetFace ( myFace ); | |
954 | myFixWire->Load ( bnd ); | |
955 | myFixWire->FixConnected(); | |
956 | myFixWire->FixDegenerated(); | |
957 | ws.SetValue ( ws.Length(), bnd->Wire() ); | |
958 | break; | |
959 | } | |
960 | } | |
961 | } | |
962 | ||
963 | // Create resulting face | |
964 | BRep_Builder B; | |
965 | TopoDS_Shape S = myFace.EmptyCopied(); | |
966 | S.Orientation ( TopAbs_FORWARD ); | |
967 | for ( i = 1; i <= ws.Length(); i++ ) B.Add ( S, ws.Value(i) ); | |
968 | for ( i = 1; i <= vs.Length(); i++ ) B.Add ( S, vs.Value(i) ); | |
969 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); | |
970 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); | |
971 | myFace = TopoDS::Face ( S ); | |
972 | BRepTools::Update(myFace); | |
973 | ||
974 | /**/ | |
975 | #ifdef DEBUG | |
976 | cout<<"Natural bound on sphere or torus with holes added"<<endl; // mise au point ! | |
977 | #endif | |
999d2599 | 978 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
7fd59977 | 979 | return Standard_True; |
980 | } | |
981 | ||
982 | ||
983 | //======================================================================= | |
984 | //function : FixOrientation | |
985 | //purpose : | |
986 | //======================================================================= | |
987 | ||
988 | Standard_Boolean ShapeFix_Face::FixOrientation() | |
989 | { | |
990 | TopTools_DataMapOfShapeListOfShape MapWires; | |
991 | MapWires.Clear(); | |
992 | return FixOrientation(MapWires); | |
993 | } | |
994 | ||
995 | ||
996 | //======================================================================= | |
997 | //function : FixOrientation | |
998 | //purpose : | |
999 | //======================================================================= | |
1000 | ||
1001 | Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShape &MapWires) | |
1002 | { | |
1003 | Standard_Boolean done = Standard_False; | |
1004 | ||
1005 | if ( ! Context().IsNull() ) { | |
1006 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
1007 | myFace = TopoDS::Face ( S ); | |
1008 | } | |
1009 | TopTools_SequenceOfShape ws; | |
1010 | TopTools_SequenceOfShape allSubShapes; | |
1011 | // smh: BUC60810 : protection against very small wires (one-edge, null-length) | |
1012 | TopTools_SequenceOfShape VerySmallWires; | |
1013 | for ( TopoDS_Iterator wi (myFace,Standard_False); wi.More(); wi.Next()) { | |
1014 | if(wi.Value().ShapeType() == TopAbs_VERTEX || | |
1015 | (wi.Value().Orientation() != TopAbs_FORWARD && | |
1016 | wi.Value().Orientation() != TopAbs_REVERSED)) { | |
1017 | allSubShapes.Append (wi.Value()); | |
1018 | //ws.Append (wi.Value()); | |
1019 | continue; | |
1020 | } | |
1021 | ||
1022 | TopoDS_Iterator ei (wi.Value(),Standard_False); | |
1023 | TopoDS_Edge anEdge; | |
1024 | Standard_Real length = RealLast(); | |
1025 | if ( ei.More() ) { | |
1026 | anEdge = TopoDS::Edge(ei.Value()); | |
1027 | ei.Next(); | |
1028 | if ( ! ei.More() ) { | |
1029 | length = 0; | |
1030 | Standard_Real First, Last; | |
1031 | Handle(Geom_Curve) c3d; | |
1032 | ShapeAnalysis_Edge sae; | |
1033 | if ( sae.Curve3d(anEdge,c3d,First,Last) ) { | |
1034 | gp_Pnt pntIni = c3d->Value(First); | |
1035 | gp_XYZ prev; | |
1036 | prev = pntIni.XYZ(); | |
1037 | Standard_Integer NbControl = 10; | |
1038 | for ( Standard_Integer j = 1; j < NbControl; j++) { | |
1039 | Standard_Real prm = ((NbControl-1-j)*First + j*Last)/(NbControl-1); | |
1040 | gp_Pnt pntCurr = c3d->Value(prm); | |
1041 | gp_XYZ curr = pntCurr.XYZ(); | |
1042 | gp_XYZ delta = curr - prev; | |
1043 | length += delta.Modulus(); | |
1044 | prev = curr; | |
1045 | } | |
1046 | } | |
1047 | } | |
1048 | } | |
1049 | else length = 0; | |
1050 | if (length > ::Precision::Confusion()) { | |
1051 | ws.Append (wi.Value()); | |
1052 | allSubShapes.Append (wi.Value()); | |
1053 | } | |
1054 | else VerySmallWires.Append (wi.Value()); | |
1055 | } | |
1056 | if ( VerySmallWires.Length() >0 ) done = Standard_True; | |
1057 | ||
1058 | Standard_Integer nb = ws.Length(); | |
1059 | Standard_Integer nbAll = allSubShapes.Length(); | |
1060 | BRep_Builder B; | |
1061 | ||
1062 | // if no wires, just do nothing | |
1063 | if ( nb <= 0) return Standard_False; | |
1064 | Standard_Integer nbInternal=0; | |
1065 | Standard_Boolean isAddNaturalBounds = (NeedFix (myFixAddNaturalBoundMode) && | |
1066 | ( mySurf->Adaptor3d()->GetType() == GeomAbs_Sphere || | |
1067 | mySurf->Adaptor3d()->GetType() == GeomAbs_Torus )); | |
1068 | TColStd_SequenceOfInteger aSeqReversed; | |
1069 | // if wire is only one, check its orientation | |
1070 | if ( nb == 1 ) { | |
1071 | // skl 12.04.2002 for cases with nbwires>1 (VerySmallWires>1) | |
1072 | // make face with only one wire (ws.Value(1)) | |
1073 | TopoDS_Shape dummy = myFace.EmptyCopied(); | |
1074 | TopoDS_Face af = TopoDS::Face ( dummy ); | |
1075 | af.Orientation ( TopAbs_FORWARD ); | |
1076 | B.Add (af,ws.Value(1)); | |
1077 | if ( ( myFixAddNaturalBoundMode != Standard_True || //: abv 29.08.01: Spatial_firex_lofting.sat | |
1078 | ( mySurf->Adaptor3d()->GetType() != GeomAbs_Sphere && | |
1079 | mySurf->Adaptor3d()->GetType() != GeomAbs_Torus ) ) && | |
1080 | ! ShapeAnalysis::IsOuterBound (af)) { | |
1081 | Handle(ShapeExtend_WireData) sbdw = | |
1082 | new ShapeExtend_WireData (TopoDS::Wire(ws.Value(1))); | |
1083 | sbdw->Reverse ( myFace ); | |
1084 | ws.SetValue ( 1, sbdw->Wire() ); | |
999d2599 | 1085 | SendWarning ( sbdw->Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1086 | done = Standard_True; |
1087 | #ifdef DEBUG | |
1088 | cout<<"Wire reversed"<<endl; // mise au point ! | |
1089 | #endif | |
1090 | } | |
1091 | } | |
1092 | // in case of several wires, perform complex analysis | |
1093 | // ATTENTION ESSAI | |
1094 | // Plusieurs wires : orientations relatives | |
1095 | // Chaque wire doit "contenir" tous les autres | |
1096 | // Evidemment, en cas de peau de leopard, il peut y avoir probleme | |
1097 | else { | |
1098 | // On prend chaque wire (NB: pcurves presentes !) | |
1099 | // En principe on devrait rejeter les wires non fermes (cf couture manque ?) | |
1100 | // On le classe par rapport aux autres, qui doivent tous etre, soit IN soit | |
1101 | // OUT. Sinon il y a imbrication -> SDB. Si IN, OK, si OUT on inverse | |
1102 | // (nb : ici pas myClos donc pas de pb de couture) | |
1103 | // Si au moins une inversion, il faut refaire la face (cf myRebil) | |
1104 | ||
1105 | //:94 abv 30 Jan 98: calculate parametric precision | |
1106 | ||
1107 | // GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface(); | |
1108 | // Standard_Real toluv = Min ( Ads.UResolution(Precision()), Ads.VResolution(Precision()) ); | |
1109 | Standard_Boolean uclosed = mySurf->IsUClosed(); | |
1110 | Standard_Boolean vclosed = mySurf->IsVClosed(); | |
1111 | Standard_Real SUF, SUL, SVF, SVL; | |
1112 | mySurf->Bounds(SUF, SUL, SVF, SVL); | |
1113 | ||
1114 | TopTools_DataMapOfShapeListOfShape MW; | |
1115 | TopTools_DataMapOfShapeInteger SI; | |
1116 | TopTools_MapOfShape MapIntWires; | |
1117 | MW.Clear(); | |
1118 | SI.Clear(); | |
1119 | MapIntWires.Clear(); | |
1120 | Standard_Integer NbOuts=0; | |
1121 | Standard_Integer i; | |
1122 | ||
1123 | for ( i = 1; i <= nb; i ++) { | |
1124 | TopoDS_Shape asw = ws.Value(i); | |
1125 | TopoDS_Wire aw = TopoDS::Wire (asw); | |
1126 | TopoDS_Shape dummy = myFace.EmptyCopied(); | |
1127 | TopoDS_Face af = TopoDS::Face ( dummy ); | |
1128 | // B.MakeFace (af,mySurf->Surface(),::Precision::Confusion()); | |
1129 | af.Orientation ( TopAbs_FORWARD ); | |
1130 | B.Add (af,aw); | |
1131 | // PTV OCC945 06.11.2002 files ie_exhaust-A.stp (entities 3782, 3787) | |
1132 | // tolerance is too big. It is seems that to identify placement of 2d point | |
1133 | // it is enough Precision::PConfusion(), cause wea re know that 2d point in TopAbs_ON | |
1134 | // BRepTopAdaptor_FClass2d clas (af,toluv); | |
1135 | Standard_Boolean CheckShift = Standard_True; | |
1136 | BRepTopAdaptor_FClass2d clas (af,::Precision::PConfusion()); | |
1137 | TopAbs_State sta = TopAbs_OUT; | |
1138 | TopAbs_State staout = clas.PerformInfinitePoint(); | |
1139 | TopTools_ListOfShape IntWires; | |
1140 | for ( Standard_Integer j = 1; j <= nbAll; j ++) { | |
1141 | //if(i==j) continue; | |
1142 | TopoDS_Shape aSh2 = allSubShapes.Value(j); | |
1143 | if(aw == aSh2) | |
1144 | continue; | |
1145 | TopAbs_State stb = TopAbs_UNKNOWN; | |
1146 | if(aSh2.ShapeType() == TopAbs_VERTEX) { | |
1147 | gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aSh2)); | |
1148 | gp_Pnt2d p2d = mySurf->ValueOfUV(aP,Precision::Confusion()); | |
1149 | stb = clas.Perform (p2d,Standard_False); | |
1150 | if(stb == staout && (uclosed || vclosed)) { | |
1151 | gp_Pnt2d p2d1; | |
1152 | if(uclosed) { | |
1153 | Standard_Real period = SUL-SUF; | |
1154 | p2d1.SetCoord(p2d.X()+period, p2d.Y()); | |
1155 | stb = clas.Perform (p2d1,Standard_False); | |
1156 | ||
1157 | } | |
1158 | if(stb == staout && vclosed) { | |
1159 | Standard_Real period = SVL-SVF; | |
1160 | p2d1.SetCoord(p2d.X(), p2d.Y()+ period); | |
1161 | stb = clas.Perform (p2d1,Standard_False); | |
1162 | } | |
1163 | } | |
1164 | } | |
1165 | else if (aSh2.ShapeType() == TopAbs_WIRE) { | |
1166 | CheckShift = Standard_True; | |
1167 | TopoDS_Wire bw = TopoDS::Wire (aSh2); | |
1168 | // Standard_Integer numin =0; | |
1169 | TopoDS_Iterator ew (bw); | |
1170 | for(;ew.More(); ew.Next()) { | |
1171 | TopoDS_Edge ed = TopoDS::Edge (ew.Value()); | |
1172 | Standard_Real cf,cl; | |
1173 | Handle(Geom2d_Curve) cw = BRep_Tool::CurveOnSurface (ed,myFace,cf,cl); | |
1174 | if (cw.IsNull()) continue; | |
1175 | gp_Pnt2d unp = cw->Value ((cf+cl)/2.); | |
1176 | TopAbs_State ste = clas.Perform (unp,Standard_False); | |
1177 | if( ste==TopAbs_OUT || ste==TopAbs_IN ) { | |
1178 | if(stb==TopAbs_UNKNOWN) { | |
1179 | stb = ste; | |
1180 | } | |
1181 | else { | |
1182 | if(!(stb==ste)) { | |
1183 | sta = TopAbs_UNKNOWN; | |
1184 | SI.Bind(aw,0); | |
1185 | j=nb; | |
1186 | break; | |
1187 | } | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | Standard_Boolean found = Standard_False; | |
1192 | gp_Pnt2d unp1; | |
1193 | if( stb == staout && CheckShift ) { | |
1194 | CheckShift = Standard_False; | |
1195 | if(uclosed) { | |
1196 | Standard_Real period = SUL-SUF; | |
1197 | unp1.SetCoord(unp.X()+period, unp.Y()); | |
1198 | found = (staout != clas.Perform (unp1,Standard_False)); | |
1199 | if(!found) { | |
1200 | unp1.SetX(unp.X()-period); | |
1201 | found = (staout != clas.Perform (unp1,Standard_False)); | |
1202 | } | |
1203 | } | |
1204 | if(vclosed&&!found) { | |
1205 | Standard_Real period = SVL-SVF; | |
1206 | unp1.SetCoord(unp.X(), unp.Y()+period); | |
1207 | found = (staout != clas.Perform (unp1,Standard_False)); | |
1208 | if(!found) { | |
1209 | unp1.SetY(unp.Y()-period); | |
1210 | found = (staout != clas.Perform (unp1,Standard_False)); | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | if(found) { | |
1215 | if(stb==TopAbs_IN) stb = TopAbs_OUT; | |
1216 | else stb = TopAbs_IN; | |
1217 | Shift2dWire(bw,myFace,unp1.XY()-unp.XY(), mySurf); | |
1218 | } | |
1219 | } | |
1220 | } | |
1221 | if(stb==staout) { | |
1222 | sta = TopAbs_IN; | |
1223 | } | |
1224 | else { | |
1225 | IntWires.Append(aSh2); | |
1226 | MapIntWires.Add(aSh2); | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | if (sta == TopAbs_UNKNOWN) { // ERREUR | |
999d2599 | 1231 | SendWarning ( aw, Message_Msg ( "FixAdvFace.FixOrientation.MSG11" ) );// Cannot orient wire |
7fd59977 | 1232 | } |
1233 | else { | |
1234 | MW.Bind(aw,IntWires); | |
1235 | if(sta==TopAbs_OUT) { | |
1236 | NbOuts++; | |
1237 | if(staout==TopAbs_IN) { | |
1238 | // wire is OUT but InfinitePoint is IN => need to reverse | |
1239 | ShapeExtend_WireData sewd (aw); | |
1240 | sewd.Reverse(myFace); | |
1241 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1242 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1243 | aSeqReversed.Append(i); |
1244 | done = Standard_True; | |
1245 | SI.Bind(ws.Value(i),1); | |
1246 | MapWires.Bind(ws.Value(i),IntWires); | |
1247 | } | |
1248 | else { | |
1249 | SI.Bind(aw,1); | |
1250 | MapWires.Bind(aw,IntWires); | |
1251 | } | |
1252 | } | |
1253 | else { | |
1254 | if(staout==TopAbs_OUT) SI.Bind(aw,2); | |
1255 | else SI.Bind(aw,3); | |
1256 | } | |
1257 | } | |
1258 | ||
1259 | } | |
1260 | ||
1261 | for(i=1; i<=nb; i++) { | |
1262 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); | |
1263 | Standard_Integer tmpi = SI.Find(aw); | |
1264 | if(tmpi>1) { | |
1265 | if(!MapIntWires.Contains(aw)) { | |
1266 | NbOuts++; | |
1267 | const TopTools_ListOfShape& IW = MW.Find(aw); | |
1268 | if(tmpi==3) { | |
1269 | // wire is OUT but InfinitePoint is IN => need to reverse | |
1270 | ShapeExtend_WireData sewd (aw); | |
1271 | sewd.Reverse(myFace); | |
1272 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1273 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1274 | aSeqReversed.Append(i); |
1275 | done = Standard_True; | |
1276 | MapWires.Bind(ws.Value(i),IW); | |
1277 | } | |
1278 | else MapWires.Bind(aw,IW); | |
1279 | } | |
1280 | else { | |
1281 | if(tmpi==2) { | |
1282 | // wire is IN but InfinitePoint is OUT => need to reverse | |
1283 | ShapeExtend_WireData sewd (aw); | |
1284 | sewd.Reverse(myFace); | |
1285 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1286 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1287 | aSeqReversed.Append(i); |
1288 | done = Standard_True; | |
1289 | } | |
1290 | } | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | } | |
1295 | ||
1296 | //done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); | |
1297 | if(isAddNaturalBounds && nb == aSeqReversed.Length()) | |
1298 | done = Standard_False; | |
1299 | else | |
1300 | done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); | |
1301 | // Faut-il reconstruire ? si myRebil est mis | |
1302 | if ( done ) { | |
1303 | TopoDS_Shape S = myFace.EmptyCopied(); | |
1304 | S.Orientation ( TopAbs_FORWARD ); | |
1305 | Standard_Integer i = 1; | |
1306 | for ( ; i <= nb; i++ ) | |
1307 | B.Add ( S, ws.Value(i) ); | |
1308 | ||
1309 | if(nb < nbAll) { | |
1310 | for( i =1; i <= nbAll;i++) { | |
1311 | TopoDS_Shape aS2 = allSubShapes.Value(i); | |
1312 | if(aS2.ShapeType() != TopAbs_WIRE || | |
1313 | (aS2.Orientation() != TopAbs_FORWARD && aS2.Orientation() != TopAbs_REVERSED)) | |
1314 | B.Add ( S,aS2); | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); | |
1319 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); | |
1320 | myFace = TopoDS::Face ( S ); | |
1321 | BRepTools::Update(myFace); | |
1322 | Standard_Integer k =1; | |
999d2599 D |
1323 | for( ; k <= aSeqReversed.Length(); k++ ) |
1324 | { | |
7fd59977 | 1325 | #ifdef DEBUG |
999d2599 | 1326 | cout<<"Wire no "<<aSeqReversed.Value(k)<<" of "<<nb<<" reversed"<<endl; // mise au point ! |
7fd59977 | 1327 | #endif |
1328 | } | |
1329 | ||
1330 | } | |
1331 | return done; | |
1332 | } | |
1333 | ||
1334 | ||
1335 | //======================================================================= | |
1336 | //function : CheckWire | |
1337 | //purpose : auxilary for FixMissingSeam | |
1338 | //======================================================================= | |
1339 | //:i7 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp: algorithm of fixing missing seam changed | |
1340 | // test whether the wire is opened on period of periodical surface | |
1341 | static Standard_Boolean CheckWire (const TopoDS_Wire &wire, | |
1342 | const TopoDS_Face &face, | |
1343 | const Standard_Real dU, | |
1344 | const Standard_Real dV, | |
1345 | Standard_Integer &isuopen, | |
1346 | Standard_Integer &isvopen, | |
1347 | Standard_Boolean &isDeg) | |
1348 | { | |
1349 | gp_XY vec; | |
1350 | vec.SetX(0); | |
1351 | vec.SetY(0); | |
1352 | ShapeAnalysis_Edge sae; | |
1353 | isDeg = Standard_True; | |
1354 | for ( TopoDS_Iterator ed(wire); ed.More(); ed.Next() ) { | |
1355 | TopoDS_Edge edge = TopoDS::Edge ( ed.Value() ); | |
1356 | if ( ! BRep_Tool::Degenerated ( edge ) ) isDeg = Standard_False; | |
1357 | Handle(Geom2d_Curve) c2d; | |
1358 | Standard_Real f, l; | |
1359 | if ( ! sae.PCurve ( edge, face, c2d, f, l, Standard_True ) ) | |
1360 | return Standard_False; | |
1361 | vec += c2d->Value(l).XY() - c2d->Value(f).XY(); | |
1362 | } | |
1363 | isuopen = ( Abs ( Abs ( vec.X() ) - dU ) < 0.1 * dU ? ( vec.X() >0 ? 1 : -1 ) : 0 ); | |
1364 | isvopen = ( Abs ( Abs ( vec.Y() ) - dV ) < 0.1 * dV ? ( vec.Y() >0 ? 1 : -1 ) : 0 ); | |
1365 | return isuopen || isvopen; | |
1366 | } | |
1367 | ||
1368 | ||
1369 | //======================================================================= | |
1370 | //function : FixMissingSeam | |
1371 | //purpose : | |
1372 | //======================================================================= | |
1373 | ||
1374 | Standard_Boolean ShapeFix_Face::FixMissingSeam() | |
1375 | { | |
1376 | Standard_Boolean uclosed = mySurf->IsUClosed(); | |
1377 | Standard_Boolean vclosed = mySurf->IsVClosed(); | |
1378 | ||
1379 | if ( ! uclosed && ! vclosed ) return Standard_False; | |
1380 | ||
1381 | if ( ! Context().IsNull() ) { | |
1382 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
1383 | myFace = TopoDS::Face ( S ); | |
1384 | } | |
1385 | ||
1386 | //%pdn: surface should be made periodic before (see ShapeCustom_Surface)! | |
1387 | if (mySurf->Surface()->IsKind(STANDARD_TYPE (Geom_BSplineSurface))) { | |
1388 | Handle (Geom_BSplineSurface) BSpl = Handle (Geom_BSplineSurface)::DownCast (mySurf->Surface()); | |
1389 | if (!BSpl->IsUPeriodic() && !BSpl->IsVPeriodic()) | |
1390 | return Standard_False; | |
1391 | } | |
1392 | ||
1393 | Standard_Real URange, VRange, SUF, SUL, SVF, SVL; | |
1394 | mySurf->Bounds ( SUF, SUL, SVF, SVL ); | |
1395 | Standard_Real fU1,fU2,fV1,fV2; | |
1396 | BRepTools::UVBounds(myFace,fU1,fU2,fV1,fV2); | |
1397 | ||
1398 | //pdn OCC55 fix to faces without the wires to avoid identical first and last parameters | |
1399 | if ( ::Precision::IsInfinite ( SUF ) || ::Precision::IsInfinite ( SUL ) ) { | |
1400 | if ( ::Precision::IsInfinite ( SUF ) ) SUF = fU1; | |
1401 | if ( ::Precision::IsInfinite ( SUL ) ) SUL = fU2; | |
1402 | if(Abs(SUL-SUF) < ::Precision::PConfusion()) | |
1403 | if ( ::Precision::IsInfinite ( SUF ) ) SUF-=1000.; | |
1404 | else SUL+=1000.; | |
1405 | } | |
1406 | if ( ::Precision::IsInfinite ( SVF ) || ::Precision::IsInfinite ( SVL ) ) { | |
1407 | if ( ::Precision::IsInfinite ( SVF ) ) SVF = fV1; | |
1408 | if ( ::Precision::IsInfinite ( SVL ) ) SVL = fV2; | |
1409 | if(Abs(SVL-SVF) < ::Precision::PConfusion()) | |
1410 | if ( ::Precision::IsInfinite ( SVF ) ) SVF-=1000.; | |
1411 | else SVL+=1000.; | |
1412 | } | |
1413 | ||
1414 | URange = Abs ( SUL - SUF ); | |
1415 | VRange = Abs ( SVL - SVF ); | |
1416 | // Standard_Real UTol = 0.2 * URange, VTol = 0.2 * VRange; | |
1417 | Standard_Integer ismodeu = 0, ismodev = 0; //szv#4:S4163:12Mar99 was Boolean | |
1418 | Standard_Integer isdeg1=0, isdeg2=0; | |
1419 | ||
1420 | TopTools_SequenceOfShape ws; | |
1421 | TopTools_SequenceOfShape aSeqNonManif; | |
1422 | for ( TopoDS_Iterator wi(myFace,Standard_False); wi.More(); wi.Next() ) { | |
1423 | if(wi.Value().ShapeType() != TopAbs_WIRE || | |
1424 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { | |
1425 | aSeqNonManif.Append(wi.Value()); | |
1426 | continue; | |
1427 | } | |
1428 | ws.Append ( wi.Value() ); | |
1429 | } | |
1430 | ||
1431 | TopoDS_Wire w1, w2; | |
1432 | Standard_Integer i; | |
1433 | for ( i=1; i <= ws.Length(); i++ ) { | |
1434 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); | |
1435 | Standard_Integer isuopen, isvopen; | |
1436 | Standard_Boolean isdeg; | |
1437 | if ( ! CheckWire ( wire, myFace, URange, VRange, isuopen, isvopen, isdeg ) ) | |
1438 | continue; | |
1439 | if ( w1.IsNull() ) { w1 = wire; ismodeu = isuopen; ismodev = isvopen; isdeg1 = isdeg ? i : 0; } | |
1440 | else if ( w2.IsNull() ) { | |
1441 | if ( ismodeu == -isuopen && ismodev == -isvopen ) { w2 = wire; isdeg2 = isdeg ? i : 0; } | |
1442 | else if ( ismodeu == isuopen && ismodev == isvopen ) { | |
1443 | w2 = wire; | |
1444 | isdeg2 = isdeg; | |
1445 | //:abv 29.08.01: If wires are contraversal, reverse one of them | |
1446 | // If first one is single degenerated edge, reverse it; else second | |
1447 | if ( isdeg1 ) { | |
1448 | w1.Reverse(); | |
1449 | ismodeu = -ismodeu; | |
1450 | ismodev = -ismodev; | |
1451 | } | |
1452 | else { | |
1453 | w2.Reverse(); | |
1454 | #ifdef DEB | |
1455 | if ( ! isdeg2 ) cout << "Warning: ShapeFix_Face::FixMissingSeam(): wire reversed" << endl; | |
1456 | #endif | |
1457 | } | |
1458 | } | |
1459 | #ifdef DEB | |
1460 | else cout << "Warning: ShapeFix_Face::FixMissingSeam(): incompatible open wires" << endl; | |
1461 | #endif | |
1462 | } | |
1463 | // else return Standard_False; // abort | |
1464 | else { | |
1465 | #ifdef DEB | |
1466 | cout << "Warning: ShapeFix_Face::FixMissingSeam(): more than two open wires detected!" << endl; | |
1467 | #endif | |
1468 | //:abv 30.08.09: if more than one open wires and more than two of them are | |
1469 | // completely degenerated, remove any of them | |
1470 | if ( isdeg || isdeg1 || isdeg2 ) { | |
1471 | ws.Remove ( isdeg ? i : isdeg2 ? isdeg2 : isdeg1 ); | |
1472 | w1.Nullify(); | |
1473 | w2.Nullify(); | |
1474 | i = 0; | |
1475 | #ifdef DEB | |
1476 | cout << "Warning: ShapeFix_Face::FixMissingSeam(): open degenerated wire removed" << endl; | |
1477 | #endif | |
1478 | continue; | |
1479 | } | |
1480 | } | |
1481 | } | |
1482 | ||
1483 | BRep_Builder B; | |
1484 | if ( w1.IsNull() ) return Standard_False; | |
1485 | else if ( w2.IsNull() ) { | |
1486 | // WARNING!!! Temporarily for spheres only: | |
1487 | // If only one of wires limiting face on sphere is open in 2d, | |
1488 | // this means that degenerated edge should be added to one of poles, and | |
1489 | // then usual procedure applied | |
1490 | if ( ismodeu && mySurf->Surface()->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ) { | |
c6541a0c | 1491 | gp_Pnt2d p ( ( ismodeu < 0 ? 0. : 2.*M_PI ), ismodeu * 0.5 * M_PI ); |
7fd59977 | 1492 | gp_Dir2d d ( -ismodeu, 0. ); |
1493 | Handle(Geom2d_Line) line = new Geom2d_Line ( p, d ); | |
1494 | TopoDS_Edge edge; | |
1495 | B.MakeEdge ( edge ); | |
1496 | B.Degenerated ( edge, Standard_True ); | |
1497 | B.UpdateEdge ( edge, line, myFace, ::Precision::Confusion() ); | |
c6541a0c | 1498 | B.Range ( edge, myFace, 0., 2*M_PI ); |
7fd59977 | 1499 | TopoDS_Vertex V; |
1500 | B.MakeVertex ( V, mySurf->Value ( p.X(), p.Y() ), ::Precision::Confusion() ); | |
1501 | V.Orientation(TopAbs_FORWARD); | |
1502 | B.Add(edge,V); | |
1503 | V.Orientation(TopAbs_REVERSED); | |
1504 | B.Add(edge,V); | |
1505 | B.MakeWire ( w2 ); | |
1506 | B.Add ( w2, edge ); | |
1507 | ws.Append ( w2 ); | |
1508 | } | |
1509 | else return Standard_False; | |
1510 | } | |
1511 | ||
1512 | // sort original wires | |
1513 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire; | |
1514 | sfw->SetFace ( myFace ); | |
1515 | sfw->SetPrecision ( Precision() ); | |
1516 | ||
1517 | Handle(ShapeExtend_WireData) wd1 = new ShapeExtend_WireData ( w1 ); | |
1518 | Handle(ShapeExtend_WireData) wd2 = new ShapeExtend_WireData ( w2 ); | |
1519 | ||
1520 | // sorting | |
1521 | // Standard_Boolean degenerated = ( secondDeg != firstDeg ); | |
1522 | // if ( ! degenerated ) { | |
1523 | sfw->Load ( wd1 ); | |
1524 | sfw->FixReorder(); | |
1525 | // } | |
1526 | sfw->Load ( wd2 ); | |
1527 | sfw->FixReorder(); | |
1528 | ||
1529 | //:abv 29.08.01: reconstruct face taking into account reversing | |
1530 | TopoDS_Shape dummy = myFace.EmptyCopied(); | |
1531 | TopoDS_Face tmpF = TopoDS::Face ( dummy ); | |
1532 | tmpF.Orientation ( TopAbs_FORWARD ); | |
1533 | for ( i=1; i <= ws.Length(); i++ ) { | |
1534 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); | |
1535 | if ( wire.IsSame ( w1 ) ) wire = w1; | |
1536 | else if ( wire.IsSame ( w2 ) ) wire = w2; | |
1537 | B.Add ( tmpF, wire ); | |
1538 | } | |
1539 | tmpF.Orientation ( myFace.Orientation() ); | |
1540 | ||
1541 | Standard_Real uf=SUF, vf=SVF; | |
1542 | ||
1543 | // A special kind of FixShifted is necessary for torus-like | |
1544 | // surfaces to adjust wires by period ALONG the missing SEAM direction | |
1545 | // tr9_r0501-ug.stp #187640 | |
1546 | if ( uclosed && vclosed ) { | |
1547 | Standard_Integer coord = ( ismodeu ? 1 : 0 ); | |
1548 | Standard_Integer isneg = ( ismodeu ? ismodeu : -ismodev ); | |
1549 | Standard_Real period = ( ismodeu ? URange : VRange ); | |
1550 | TopoDS_Shape S; | |
1551 | Standard_Real m1[2][2], m2[2][2]; | |
1552 | S = tmpF.EmptyCopied(); | |
1553 | B.Add ( S, w1 ); | |
1554 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m1[0][0], m1[0][1], m1[1][0], m1[1][1]); | |
1555 | S = tmpF.EmptyCopied(); | |
1556 | B.Add ( S, w2 ); | |
1557 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); | |
1558 | Standard_Real shiftw2 = | |
1559 | ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), | |
1560 | 0.5 * ( m1[coord][0] + m1[coord][1] + | |
1561 | isneg * ( period + ::Precision::PConfusion() ) ), | |
1562 | period ); | |
1563 | m1[coord][0] = Min ( m1[coord][0], m2[coord][0] + shiftw2 ); | |
1564 | m1[coord][1] = Max ( m1[coord][1], m2[coord][1] + shiftw2 ); | |
1565 | for ( TopoDS_Iterator it(tmpF,Standard_False); it.More(); it.Next() ) { | |
1566 | if(it.Value().ShapeType() != TopAbs_WIRE) | |
1567 | continue; | |
1568 | TopoDS_Wire w = TopoDS::Wire ( it.Value() ); | |
1569 | if ( w == w1 ) continue; | |
1570 | Standard_Real shift; | |
1571 | if ( w == w2 ) shift = shiftw2; | |
1572 | else { | |
1573 | S = tmpF.EmptyCopied(); | |
1574 | B.Add ( S, w ); | |
1575 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); | |
1576 | shift = ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), | |
1577 | 0.5 * ( m1[coord][0] + m1[coord][1] ), period ); | |
1578 | } | |
1579 | if ( shift != 0. ) { | |
1580 | gp_Vec2d V(0.,0.); | |
1581 | V.SetCoord ( coord+1, shift ); | |
1582 | ShapeAnalysis_Edge sae; | |
1583 | for ( TopoDS_Iterator iw(w); iw.More(); iw.Next() ) { | |
1584 | TopoDS_Edge E = TopoDS::Edge ( iw.Value() ); | |
1585 | Handle(Geom2d_Curve) C; | |
1586 | Standard_Real a, b; | |
1587 | if ( ! sae.PCurve ( E, tmpF, C, a, b ) ) continue; | |
1588 | C->Translate ( V ); | |
1589 | } | |
1590 | } | |
1591 | } | |
1592 | // abv 05 Feb 02: OCC34 | |
1593 | // by the way, select proper split place by V to avoid extra intersections | |
1594 | if ( m1[coord][1] - m1[coord][0] <= period ) { | |
1595 | Standard_Real other = 0.5 * ( m1[coord][0] + m1[coord][1] - period ); | |
1596 | if ( ismodeu ) vf = other; | |
1597 | else uf = other; | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | // find the best place by u and v to insert a seam | |
1602 | // (so as to minimize splitting edges as possible) | |
1603 | ShapeAnalysis_Edge sae; | |
1604 | Standard_Integer foundU=0, foundV=0; | |
1605 | Standard_Integer nb1 = wd1->NbEdges(); | |
1606 | Standard_Integer nb2 = wd2->NbEdges(); | |
1607 | for ( Standard_Integer i1 = 1; i1 <= nb1 + nb2; i1++ ) { | |
1608 | TopoDS_Edge edge1 = ( i1 <= nb1 ? wd1->Edge ( i1 ) : wd2->Edge ( i1-nb1 ) ); | |
1609 | Handle(Geom2d_Curve) c2d; | |
1610 | Standard_Real f, l; | |
1611 | if ( ! sae.PCurve ( edge1, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; | |
1612 | gp_Pnt2d pos1 = c2d->Value(l).XY(); | |
1613 | // the best place is end of edge which is nearest to 0 | |
1614 | Standard_Boolean skipU = ! uclosed; | |
1615 | if ( uclosed && ismodeu ) { | |
1616 | pos1.SetX ( pos1.X() + ShapeAnalysis::AdjustByPeriod ( pos1.X(), SUF, URange ) ); | |
1617 | if ( foundU ==2 && Abs ( pos1.X() ) > Abs(uf) ) skipU = Standard_True; | |
1618 | else if ( ! foundU || ( foundU ==1 && Abs ( pos1.X() ) < Abs(uf) ) ) { | |
1619 | foundU = 1; | |
1620 | uf = pos1.X(); | |
1621 | } | |
1622 | } | |
1623 | Standard_Boolean skipV = ! vclosed; | |
1624 | if ( vclosed && ! ismodeu ) { | |
1625 | pos1.SetY ( pos1.Y() + ShapeAnalysis::AdjustByPeriod ( pos1.Y(), SVF, URange ) ); | |
1626 | if ( foundV ==2 && Abs ( pos1.Y() ) > Abs(vf) ) skipV = Standard_True; | |
1627 | else if ( ! foundV || ( foundV ==1 && Abs ( pos1.Y() ) < Abs(vf) ) ) { | |
1628 | foundV = 1; | |
1629 | vf = pos1.Y(); | |
1630 | } | |
1631 | } | |
1632 | if ( skipU && skipV ) | |
1633 | if ( i1 <= nb1 ) continue; | |
1634 | else break; | |
1635 | // or yet better - if it is end of some edges on both wires | |
1636 | for ( Standard_Integer i2 = 1; i1 <= nb1 && i2 <= nb2; i2++ ) { | |
1637 | TopoDS_Edge edge2 = wd2->Edge ( i2 ); | |
1638 | if ( ! sae.PCurve ( edge2, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; | |
1639 | gp_Pnt2d pos2 = c2d->Value(f).XY(); | |
1640 | if ( uclosed && ismodeu ) { | |
1641 | pos2.SetX ( pos2.X() + ShapeAnalysis::AdjustByPeriod ( pos2.X(), pos1.X(), URange ) ); | |
1642 | if ( Abs ( pos2.X() - pos1.X() ) < ::Precision::PConfusion() && | |
1643 | ( foundU != 2 || Abs ( pos1.X() ) < Abs ( uf ) ) ) { | |
1644 | foundU = 2; | |
1645 | uf = pos1.X(); | |
1646 | } | |
1647 | } | |
1648 | if ( vclosed && ! ismodeu ) { | |
1649 | pos2.SetY ( pos2.Y() + ShapeAnalysis::AdjustByPeriod ( pos2.Y(), pos1.Y(), VRange ) ); | |
1650 | if ( Abs ( pos2.Y() - pos1.Y() ) < ::Precision::PConfusion() && | |
1651 | ( foundV != 2 || Abs ( pos1.Y() ) < Abs ( vf ) ) ) { | |
1652 | foundV = 2; | |
1653 | vf = pos1.Y(); | |
1654 | } | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | //pdn fixing RTS on offsets | |
1660 | if ( uf < SUF || uf > SUL ) | |
1661 | uf+=ShapeAnalysis::AdjustToPeriod(uf,SUF,SUF+URange); | |
1662 | if ( vf < SVF || vf > SVL ) | |
1663 | vf+=ShapeAnalysis::AdjustToPeriod(vf,SVF,SVF+VRange); | |
1664 | ||
1665 | // Create fictive grid and call ComposeShell to insert a seam | |
1666 | Handle(Geom_RectangularTrimmedSurface) RTS = | |
1667 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), uf, uf+URange, vf, vf+VRange ); | |
1668 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); | |
1669 | grid->SetValue ( 1, 1, RTS ); //mySurf->Surface() ); | |
1670 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); | |
1671 | TopLoc_Location L; | |
1672 | ||
1673 | //addition non-manifold topology | |
1674 | Standard_Integer j=1; | |
1675 | for( ; j <= aSeqNonManif.Length(); j++) | |
1676 | B.Add(tmpF,aSeqNonManif.Value(j)); | |
1677 | ||
1678 | ShapeFix_ComposeShell CompShell; | |
1679 | // TopoDS_Face tmpF = myFace; | |
1680 | // tmpF.Orientation(TopAbs_FORWARD); | |
1681 | CompShell.Init ( G, L, tmpF, ::Precision::Confusion() );//myPrecision | |
1682 | if ( Context().IsNull() ) SetContext ( new ShapeBuild_ReShape ); | |
1683 | CompShell.ClosedMode() = Standard_True; | |
1684 | CompShell.SetContext( Context() ); | |
1685 | CompShell.SetMaxTolerance(MaxTolerance()); | |
1686 | CompShell.Perform(); | |
1687 | ||
1688 | // abv 03.07.00: CAX-IF TRJ4: trj4_k1_goe-tu-214.stp: #785: reset mySurf | |
1689 | mySurf = new ShapeAnalysis_Surface ( RTS ); | |
1690 | ||
1691 | myResult = CompShell.Result(); | |
1692 | // if ( myFace.Orientation() == TopAbs_REVERSED ) res.Reverse(); | |
1693 | Context()->Replace ( myFace, myResult ); | |
1694 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { | |
1695 | myFace = TopoDS::Face ( exp.Current() ); | |
1696 | BRepTools::Update(myFace); //:p4 | |
1697 | } | |
1698 | ||
999d2599 | 1699 | SendWarning ( Message_Msg ( "FixAdvFace.FixMissingSeam.MSG0" ) );// Missing seam-edge added |
7fd59977 | 1700 | return Standard_True; |
1701 | } | |
1702 | ||
1703 | //======================================================================= | |
1704 | //function : FixSmallAreaWire | |
1705 | //purpose : | |
1706 | //======================================================================= | |
1707 | ||
1708 | //%14 pdn 24.02.99 PRO10109, USA60293 fix wire on face with small area. | |
1709 | Standard_Boolean ShapeFix_Face::FixSmallAreaWire() | |
1710 | { | |
1711 | if ( ! Context().IsNull() ) { | |
1712 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
1713 | myFace = TopoDS::Face ( S ); | |
1714 | } | |
1715 | ||
1716 | //smh#8 | |
1717 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); | |
1718 | TopoDS_Face face = TopoDS::Face (emptyCopied); | |
1719 | Standard_Integer nbRemoved = 0, nbWires = 0; | |
1720 | BRep_Builder B; | |
1721 | Standard_Real prec = ::Precision::PConfusion()*100; | |
1722 | for (TopoDS_Iterator wi (myFace, Standard_False); wi.More(); wi.Next()) { | |
1723 | if(wi.Value().ShapeType() != TopAbs_WIRE && | |
56084216 | 1724 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) |
7fd59977 | 1725 | continue; |
1726 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); | |
1727 | Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire(wire,myFace,prec); | |
999d2599 D |
1728 | if ( saw->CheckSmallArea(prec) ) |
1729 | { | |
1730 | SendWarning ( wire, Message_Msg ("FixAdvFace.FixSmallAreaWire.MSG0") );// Null area wire detected, wire skipped | |
1731 | nbRemoved++; | |
1732 | } | |
1733 | else | |
1734 | { | |
7fd59977 | 1735 | B.Add(face,wire); |
1736 | nbWires++; | |
1737 | } | |
1738 | } | |
1739 | if ( nbRemoved <=0 ) return Standard_False; | |
1740 | ||
1741 | if ( nbWires <=0 ) { | |
1742 | #ifdef DEB | |
1743 | cout << "Warning: ShapeFix_Face: All wires on a face have small area; left untouched" << endl; | |
1744 | #endif | |
1745 | return Standard_False; | |
1746 | } | |
1747 | #ifdef DEB | |
1748 | cout << "Warning: ShapeFix_Face: " << nbRemoved << " small area wire(s) removed" << endl; | |
1749 | #endif | |
1750 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, face ); | |
1751 | myFace = face; | |
7fd59977 | 1752 | return Standard_True; |
1753 | } | |
1754 | //======================================================================= | |
1755 | //function : FixLoopWire | |
1756 | //purpose : | |
1757 | //======================================================================= | |
1758 | static void FindNext(const TopoDS_Shape& aVert, | |
1759 | const TopoDS_Shape& ainitEdge, | |
1760 | TopTools_IndexedMapOfShape& aMapVertices, | |
1761 | TopTools_DataMapOfShapeListOfShape& aMapVertexEdges, | |
1762 | const TopTools_MapOfShape& aMapSmallEdges, | |
1763 | const TopTools_MapOfShape& aMapSeemEdges, | |
1764 | TopTools_MapOfShape& aMapEdges, | |
1765 | Handle(ShapeExtend_WireData)& aWireData) | |
1766 | { | |
1767 | TopoDS_Iterator aItV(ainitEdge); | |
1768 | TopoDS_Shape anextVert = aVert; | |
1769 | Standard_Boolean isFind = Standard_False; | |
1770 | for( ; aItV.More() && !isFind; aItV.Next()) | |
1771 | { | |
1772 | if(!aItV.Value().IsSame(aVert) ) { | |
1773 | isFind = Standard_True; | |
1774 | anextVert = aItV.Value(); | |
1775 | ||
1776 | } | |
1777 | } | |
1778 | ||
1779 | if(!isFind && !aMapSmallEdges.Contains(ainitEdge)) | |
1780 | return; | |
1781 | if(isFind && aMapVertices.Contains(anextVert)) | |
1782 | return; | |
1783 | ||
1784 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(anextVert); | |
1785 | TopTools_ListIteratorOfListOfShape liter(aledges); | |
1786 | isFind = Standard_False; | |
1787 | TopoDS_Shape anextEdge; | |
1788 | for( ; liter.More() && !isFind; liter.Next()) | |
1789 | { | |
1790 | if(!aMapEdges.Contains(liter.Value()) && !liter.Value().IsSame(ainitEdge)) { | |
1791 | anextEdge = liter.Value(); | |
1792 | aWireData->Add(anextEdge); | |
1793 | if(aMapSeemEdges.Contains(anextEdge)) | |
1794 | aWireData->Add(anextEdge.Reversed()); | |
1795 | isFind = Standard_True; | |
1796 | aMapEdges.Add(anextEdge); | |
1797 | FindNext(anextVert,anextEdge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); | |
1798 | } | |
1799 | } | |
1800 | return; | |
1801 | } | |
1802 | ||
1803 | static Standard_Boolean isClosed2D(const TopoDS_Face& aFace,const TopoDS_Wire& aWire) | |
1804 | { | |
1805 | Standard_Boolean isClosed = Standard_True; | |
1806 | Handle(ShapeAnalysis_Wire) asaw = new ShapeAnalysis_Wire(aWire,aFace,Precision::Confusion()); | |
1807 | for (Standard_Integer i = 1; i <= asaw->NbEdges() && isClosed; i++) { | |
1808 | TopoDS_Edge edge1 = asaw->WireData()->Edge(i); | |
1809 | //checking that wire is closed in 2D space with tolerance of vertex. | |
1810 | ShapeAnalysis_Edge sae; | |
1811 | TopoDS_Vertex v1 = sae.FirstVertex(edge1); | |
1812 | asaw->SetPrecision(BRep_Tool::Tolerance(v1)); | |
1813 | asaw->CheckGap2d(i); | |
1814 | isClosed = (asaw->LastCheckStatus(ShapeExtend_OK)); | |
1815 | ||
1816 | } | |
1817 | return isClosed; | |
1818 | } | |
1819 | ||
1820 | //======================================================================= | |
1821 | //function : FixLoopWire | |
1822 | //purpose : | |
1823 | //======================================================================= | |
1824 | ||
1825 | Standard_Boolean ShapeFix_Face::FixLoopWire(TopTools_SequenceOfShape& aResWires) | |
1826 | { | |
1827 | TopTools_IndexedMapOfShape aMapVertices; | |
1828 | TopTools_DataMapOfShapeListOfShape aMapVertexEdges; | |
1829 | TopTools_MapOfShape aMapSmallEdges; | |
1830 | TopTools_MapOfShape aMapSeemEdges; | |
1831 | if(!FixWireTool()->Analyzer()->CheckLoop(aMapVertices, aMapVertexEdges,aMapSmallEdges,aMapSeemEdges)) | |
1832 | return Standard_False; | |
1833 | ||
1834 | ||
1835 | TopTools_MapOfShape aMapEdges; | |
1836 | TopTools_SequenceOfShape aSeqWires; | |
1837 | ||
1838 | //collecting wires from common vertex belonging more than 2 edges | |
1839 | Standard_Integer i =1; | |
1840 | for( ; i <= aMapVertices.Extent(); i++) { | |
1841 | TopoDS_Shape aVert = aMapVertices.FindKey(i); | |
1842 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(aVert); | |
1843 | TopTools_ListIteratorOfListOfShape liter(aledges); | |
1844 | for( ; liter.More(); liter.Next()) | |
1845 | { | |
1846 | TopoDS_Edge Edge = TopoDS::Edge(liter.Value()); | |
1847 | if(aMapEdges.Contains(Edge)) | |
1848 | continue; | |
1849 | ||
1850 | Handle(ShapeExtend_WireData) aWireData = new ShapeExtend_WireData; | |
1851 | aWireData->Add(Edge); | |
1852 | if(aMapSeemEdges.Contains(Edge)) | |
1853 | aWireData->Add(Edge.Reversed()); | |
1854 | aMapEdges.Add(Edge); | |
1855 | FindNext(aVert,Edge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); | |
1856 | if(aWireData->NbEdges() ==1 && aMapSmallEdges.Contains(aWireData->Edge(1))) | |
1857 | continue; | |
1858 | TopoDS_Vertex aV1,aV2; | |
1859 | TopoDS_Wire aWire = aWireData->Wire(); | |
1860 | TopExp::Vertices(aWire,aV1,aV2); | |
1861 | ||
1862 | if(aV1.IsSame(aV2)) { | |
1863 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
1864 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
1865 | asfw->Load(asewd); | |
1866 | asfw->FixReorder(); | |
1867 | TopoDS_Wire awire2 = asfw->Wire(); | |
1868 | aResWires.Append(awire2); | |
1869 | ||
1870 | } | |
1871 | else aSeqWires.Append(aWireData->Wire()); | |
1872 | } | |
1873 | } | |
1874 | ||
1875 | ||
1876 | if(aSeqWires.Length() ==1) { | |
1877 | aResWires.Append(aSeqWires.Value(1)); | |
1878 | } | |
1879 | else { | |
1880 | //collecting whole wire from two not closed wires having two common vertices. | |
1881 | for( i =1; i <= aSeqWires.Length(); i++) { | |
1882 | TopoDS_Vertex aV1,aV2; | |
1883 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); | |
1884 | TopExp::Vertices(aWire,aV1,aV2); | |
1885 | Standard_Integer j = i+1; | |
1886 | for( ; j <= aSeqWires.Length(); j++) | |
1887 | { | |
1888 | TopoDS_Vertex aV21,aV22; | |
1889 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); | |
1890 | TopExp::Vertices(aWire2,aV21,aV22); | |
1891 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) && (aV2.IsSame(aV21) || aV2.IsSame(aV22))) | |
1892 | { | |
1893 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
1894 | asewd->Add(aWire2); | |
1895 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
1896 | asfw->Load(asewd); | |
1897 | asfw->FixReorder(); | |
1898 | aResWires.Append(asfw->Wire()); | |
1899 | aSeqWires.Remove(j--); | |
1900 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
1901 | break; | |
1902 | } | |
1903 | ||
1904 | } | |
1905 | if(j <= aSeqWires.Length()) | |
1906 | aSeqWires.Remove(i--); | |
1907 | ||
1908 | } | |
1909 | if(aSeqWires.Length()<3) { | |
1910 | for( i =1; i <= aSeqWires.Length(); i++) | |
1911 | aResWires.Append(aSeqWires.Value(i)); | |
1912 | ||
1913 | } | |
1914 | else { | |
1915 | //collecting wires having one common vertex | |
1916 | for( i =1; i <= aSeqWires.Length(); i++) { | |
1917 | TopoDS_Vertex aV1,aV2; | |
1918 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); | |
1919 | TopExp::Vertices(aWire,aV1,aV2); | |
1920 | Standard_Integer j =i+1; | |
1921 | for( ; j <= aSeqWires.Length(); j++) | |
1922 | { | |
1923 | TopoDS_Vertex aV21,aV22; | |
1924 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); | |
1925 | TopExp::Vertices(aWire2,aV21,aV22); | |
1926 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) || (aV2.IsSame(aV21) || aV2.IsSame(aV22))) | |
1927 | { | |
1928 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
1929 | asewd->Add(aWire2); | |
1930 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
1931 | asfw->Load(asewd); | |
1932 | asfw->FixReorder(); | |
1933 | aWire = asfw->Wire(); | |
1934 | TopExp::Vertices(aWire,aV1,aV2); | |
1935 | aSeqWires.Remove(j--); | |
1936 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
1937 | } | |
1938 | } | |
1939 | aResWires.Append(aWire); | |
1940 | ||
1941 | } | |
1942 | } | |
1943 | } | |
1944 | Standard_Boolean isClosed = Standard_True; | |
1945 | ||
1946 | //checking that obtained wires is closed in 2D space | |
1947 | if (mySurf->Adaptor3d()->GetType() != GeomAbs_Plane) { | |
1948 | ||
1949 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); | |
1950 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
1951 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
1952 | ||
1953 | for(i =1; i <= aResWires.Length() && isClosed; i++) { | |
1954 | TopoDS_Wire awire = TopoDS::Wire(aResWires.Value(i)); | |
1955 | isClosed = isClosed2D(tmpFace,awire); | |
1956 | } | |
1957 | } | |
1958 | ||
1959 | Standard_Boolean isDone =(aResWires.Length() && isClosed); | |
999d2599 D |
1960 | if(isDone && aResWires.Length() >1) |
1961 | { | |
7fd59977 | 1962 | #ifdef DEBUG |
999d2599 | 1963 | cout<<"Wire was splitted on "<<aResWires.Length()<<" wires"<< endl; |
7fd59977 | 1964 | #endif |
1965 | } | |
1966 | ||
1967 | return isDone; | |
1968 | } | |
1969 | ||
7fd59977 | 1970 | //======================================================================= |
1971 | //function : SplitEdge | |
1972 | //purpose : | |
1973 | //======================================================================= | |
1974 | ||
1975 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, | |
1976 | const Standard_Integer num, | |
1977 | const Standard_Real param, | |
1978 | const TopoDS_Vertex& vert, | |
1979 | const Standard_Real preci, | |
1980 | ShapeFix_DataMapOfShapeBox2d& boxes) | |
1981 | { | |
1982 | TopoDS_Edge edge = sewd->Edge(num); | |
1983 | TopoDS_Edge newE1, newE2; | |
1984 | ShapeFix_SplitTool aTool; | |
1985 | if(aTool.SplitEdge(edge,param,vert,myFace,newE1,newE2,preci,0.01*preci)) { | |
1986 | // change context | |
1987 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; | |
1988 | wd->Add(newE1); | |
1989 | wd->Add(newE2); | |
1990 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); | |
1991 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { | |
1992 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); | |
1993 | BRepTools::Update(E); | |
1994 | } | |
1995 | ||
1996 | // for ( Standard_Integer i=1; i <= sewd->NbEdges(); i++ ) { | |
1997 | // TopoDS_Edge E = sewd->Edge(i); | |
1998 | // TopoDS_Shape S = Context()->Apply ( E ); | |
1999 | // if ( S == E ) continue; | |
2000 | // for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() ) | |
2001 | // sewd->Add ( exp.Current(), i++ ); | |
2002 | // sewd->Remove ( i-- ); | |
2003 | // } | |
2004 | ||
2005 | // change sewd and boxes | |
2006 | sewd->Set(newE1,num); | |
2007 | if(num==sewd->NbEdges()) | |
2008 | sewd->Add(newE2); | |
2009 | else | |
2010 | sewd->Add(newE2,num+1); | |
2011 | ||
2012 | boxes.UnBind(edge); | |
2013 | TopLoc_Location L; | |
2014 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); | |
2015 | Handle(Geom2d_Curve) c2d; | |
2016 | Standard_Real cf,cl; | |
2017 | ShapeAnalysis_Edge sae; | |
2018 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { | |
2019 | Bnd_Box2d box; | |
2020 | Geom2dAdaptor_Curve gac; | |
2021 | Standard_Real aFirst = c2d->FirstParameter(); | |
2022 | Standard_Real aLast = c2d->LastParameter(); | |
2023 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2024 | && (cf < aFirst || cl > aLast)) { | |
2025 | //pdn avoiding problems with segment in Bnd_Box | |
2026 | gac.Load(c2d); | |
2027 | } | |
2028 | else | |
2029 | gac.Load(c2d,cf,cl); | |
2030 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2031 | boxes.Bind(newE1,box); | |
2032 | } | |
2033 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { | |
2034 | Bnd_Box2d box; | |
2035 | Geom2dAdaptor_Curve gac; | |
2036 | Standard_Real aFirst = c2d->FirstParameter(); | |
2037 | Standard_Real aLast = c2d->LastParameter(); | |
2038 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2039 | && (cf < aFirst || cl > aLast)) { | |
2040 | //pdn avoiding problems with segment in Bnd_Box | |
2041 | gac.Load(c2d); | |
2042 | } | |
2043 | else | |
2044 | gac.Load(c2d,cf,cl); | |
2045 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2046 | boxes.Bind(newE2,box); | |
2047 | } | |
2048 | return Standard_True; | |
2049 | } | |
2050 | return Standard_False; | |
2051 | } | |
2052 | ||
2053 | ||
2054 | //======================================================================= | |
2055 | //function : SplitEdge | |
2056 | //purpose : | |
2057 | //======================================================================= | |
2058 | ||
2059 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, | |
2060 | const Standard_Integer num, | |
2061 | const Standard_Real param1, | |
2062 | const Standard_Real param2, | |
2063 | const TopoDS_Vertex& vert, | |
2064 | const Standard_Real preci, | |
2065 | ShapeFix_DataMapOfShapeBox2d& boxes) | |
2066 | { | |
2067 | TopoDS_Edge edge = sewd->Edge(num); | |
2068 | TopoDS_Edge newE1, newE2; | |
2069 | ShapeFix_SplitTool aTool; | |
2070 | if(aTool.SplitEdge(edge,param1,param2,vert,myFace,newE1,newE2,preci,0.01*preci)) { | |
2071 | // change context | |
2072 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; | |
2073 | wd->Add(newE1); | |
2074 | wd->Add(newE2); | |
2075 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); | |
2076 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { | |
2077 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); | |
2078 | BRepTools::Update(E); | |
2079 | } | |
2080 | ||
2081 | // change sewd and boxes | |
2082 | sewd->Set(newE1,num); | |
2083 | if(num==sewd->NbEdges()) | |
2084 | sewd->Add(newE2); | |
2085 | else | |
2086 | sewd->Add(newE2,num+1); | |
2087 | ||
2088 | boxes.UnBind(edge); | |
2089 | TopLoc_Location L; | |
2090 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); | |
2091 | Handle(Geom2d_Curve) c2d; | |
2092 | Standard_Real cf,cl; | |
2093 | ShapeAnalysis_Edge sae; | |
2094 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { | |
2095 | Bnd_Box2d box; | |
2096 | Geom2dAdaptor_Curve gac; | |
2097 | Standard_Real aFirst = c2d->FirstParameter(); | |
2098 | Standard_Real aLast = c2d->LastParameter(); | |
2099 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2100 | && (cf < aFirst || cl > aLast)) { | |
2101 | //pdn avoiding problems with segment in Bnd_Box | |
2102 | gac.Load(c2d); | |
2103 | } | |
2104 | else | |
2105 | gac.Load(c2d,cf,cl); | |
2106 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2107 | boxes.Bind(newE1,box); | |
2108 | } | |
2109 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { | |
2110 | Bnd_Box2d box; | |
2111 | Geom2dAdaptor_Curve gac; | |
2112 | Standard_Real aFirst = c2d->FirstParameter(); | |
2113 | Standard_Real aLast = c2d->LastParameter(); | |
2114 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2115 | && (cf < aFirst || cl > aLast)) { | |
2116 | //pdn avoiding problems with segment in Bnd_Box | |
2117 | gac.Load(c2d); | |
2118 | } | |
2119 | else | |
2120 | gac.Load(c2d,cf,cl); | |
2121 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2122 | boxes.Bind(newE2,box); | |
2123 | } | |
2124 | return Standard_True; | |
2125 | } | |
2126 | return Standard_False; | |
2127 | } | |
2128 | ||
2129 | ||
2130 | //======================================================================= | |
2131 | //function : FixIntersectingWires | |
2132 | //purpose : | |
2133 | //======================================================================= | |
2134 | ||
2135 | Standard_Boolean ShapeFix_Face::FixIntersectingWires() | |
2136 | { | |
2137 | ShapeFix_IntersectionTool ITool(Context(),Precision(),MaxTolerance()); | |
2138 | return ITool.FixIntersectingWires(myFace); | |
2139 | } | |
2140 | ||
2141 | ||
2142 | //======================================================================= | |
2143 | //function : FixWiresTwoCoincEdges | |
2144 | //purpose : | |
2145 | //======================================================================= | |
2146 | ||
2147 | Standard_Boolean ShapeFix_Face::FixWiresTwoCoincEdges() | |
2148 | { | |
2149 | if ( ! Context().IsNull() ) { | |
2150 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
2151 | myFace = TopoDS::Face ( S ); | |
2152 | } | |
2153 | ||
2154 | TopAbs_Orientation ori = myFace.Orientation(); | |
2155 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); | |
2156 | TopoDS_Face face = TopoDS::Face (emptyCopied); | |
2157 | face.Orientation(TopAbs_FORWARD); | |
2158 | Standard_Integer nbWires = 0; | |
2159 | BRep_Builder B; | |
2160 | ||
2161 | for (TopoDS_Iterator it (myFace, Standard_False); it.More(); it.Next()) { | |
2162 | if(it.Value().ShapeType() != TopAbs_WIRE || | |
2163 | (it.Value().Orientation() != TopAbs_FORWARD && it.Value().Orientation() != TopAbs_REVERSED)) { | |
2164 | continue; | |
2165 | } | |
2166 | nbWires++; | |
2167 | } | |
2168 | if(nbWires<2) return Standard_False; | |
2169 | Standard_Boolean isFixed = Standard_False; | |
2170 | for (TopoDS_Iterator wi (myFace, Standard_False); wi.More(); wi.Next()) { | |
2171 | if(wi.Value().ShapeType() != TopAbs_WIRE || | |
2172 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { | |
2173 | B.Add(face,wi.Value()); | |
2174 | continue; | |
2175 | } | |
2176 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); | |
2177 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
2178 | if(sewd->NbEdges()==2) { | |
2179 | TopoDS_Edge E1 = sewd->Edge(1); | |
2180 | TopoDS_Edge E2 = sewd->Edge(2); | |
2181 | E1.Orientation(TopAbs_FORWARD); | |
2182 | E2.Orientation(TopAbs_FORWARD); | |
2183 | if( !(E1==E2) ) { | |
2184 | B.Add(face,wire); | |
2185 | } | |
2186 | else isFixed = Standard_True; | |
2187 | } | |
2188 | else { | |
2189 | B.Add(face,wire); | |
2190 | } | |
2191 | } | |
2192 | if(isFixed) { | |
2193 | face.Orientation(ori); | |
2194 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, face ); | |
2195 | myFace = face; | |
2196 | } | |
2197 | ||
2198 | return isFixed; | |
2199 | } | |
2200 | ||
2201 | ||
2202 | //======================================================================= | |
2203 | //function : FixSplitFace | |
2204 | //purpose : | |
2205 | //======================================================================= | |
2206 | ||
2207 | Standard_Boolean ShapeFix_Face::FixSplitFace(const TopTools_DataMapOfShapeListOfShape &MapWires) | |
2208 | { | |
2209 | BRep_Builder B; | |
2210 | TopTools_SequenceOfShape faces; | |
2211 | TopoDS_Shape S = myFace; | |
2212 | if ( ! Context().IsNull() ) | |
2213 | S = Context()->Apply ( myFace ); | |
0f180c0c | 2214 | Standard_Integer NbWires=0, NbWiresNew=0, NbEdges; |
7fd59977 | 2215 | for(TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
0f180c0c | 2216 | const TopoDS_Shape& aShape = iter.Value(); |
2217 | if(aShape.ShapeType() != TopAbs_WIRE || | |
2218 | (aShape.Orientation() != TopAbs_FORWARD && aShape.Orientation() != TopAbs_REVERSED)) | |
7fd59977 | 2219 | continue; |
0f180c0c | 2220 | TopoDS_Wire wire = TopoDS::Wire ( aShape ); |
7fd59977 | 2221 | NbWires++; |
2222 | if(MapWires.IsBound(wire)) { | |
2223 | // if wire not closed --> stop split and return false | |
2224 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
0f180c0c | 2225 | NbEdges = sewd->NbEdges(); |
2226 | if (NbEdges == 0) { | |
2227 | continue; | |
2228 | } | |
2229 | // | |
7fd59977 | 2230 | TopoDS_Edge E1 = sewd->Edge(1); |
0f180c0c | 2231 | TopoDS_Edge E2 = sewd->Edge(NbEdges); |
7fd59977 | 2232 | TopoDS_Vertex V1,V2; |
2233 | ShapeAnalysis_Edge sae; | |
2234 | V1=sae.FirstVertex(E1); | |
2235 | V2=sae.LastVertex(E2); | |
2236 | if(!V1.IsSame(V2)) { | |
2237 | cout<<"wire not closed --> stop split"<<endl; | |
2238 | return Standard_False; | |
2239 | } | |
2240 | // create face | |
2241 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
2242 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
2243 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
2244 | B.Add(tmpFace,wire); | |
2245 | NbWiresNew++; | |
2246 | const TopTools_ListOfShape& IntWires = MapWires.Find(wire); | |
2247 | TopTools_ListIteratorOfListOfShape liter(IntWires); | |
2248 | for( ; liter.More(); liter.Next()) { | |
2249 | B.Add(tmpFace,liter.Value()); | |
2250 | NbWiresNew++; | |
2251 | } | |
2252 | if(!myFwd) tmpFace.Orientation(TopAbs_REVERSED); | |
2253 | faces.Append(tmpFace); | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | if(NbWires!=NbWiresNew) return Standard_False; | |
2258 | ||
2259 | if(faces.Length()>1) { | |
2260 | TopoDS_Compound Comp; | |
2261 | B.MakeCompound(Comp); | |
2262 | for(Standard_Integer i=1; i<=faces.Length(); i++ ) | |
2263 | B.Add(Comp,faces(i)); | |
2264 | myResult = Comp; | |
2265 | Context()->Replace ( myFace, myResult ); | |
2266 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { | |
2267 | myFace = TopoDS::Face ( exp.Current() ); | |
2268 | BRepTools::Update(myFace); | |
2269 | } | |
2270 | return Standard_True; | |
2271 | } | |
2272 | ||
2273 | return Standard_False; | |
2274 | } | |
84dc990a S |
2275 | |
2276 | //======================================================================= | |
2277 | //function : IsPeriodicConicalLoop | |
2278 | //purpose : Checks whether the passed wire makes up a periodic loop on | |
2279 | // passed conical surface | |
2280 | //======================================================================= | |
2281 | ||
2282 | static Standard_Boolean IsPeriodicConicalLoop(const Handle(Geom_ConicalSurface)& theSurf, | |
2283 | const TopoDS_Wire& theWire, | |
2284 | const Standard_Real theTolerance, | |
2285 | Standard_Real& theMinU, | |
2286 | Standard_Real& theMaxU, | |
2287 | Standard_Real& theMinV, | |
2288 | Standard_Real& theMaxV, | |
2289 | Standard_Boolean& isUDecrease) | |
2290 | { | |
2291 | if ( theSurf.IsNull() ) | |
fdbc4fe7 | 2292 | return Standard_False; |
84dc990a S |
2293 | |
2294 | ShapeAnalysis_Edge aSAE; | |
2295 | TopLoc_Location aLoc; | |
2296 | ||
2297 | Standard_Real aCumulDeltaU = 0.0, aCumulDeltaUAbs = 0.0; | |
2298 | Standard_Real aMinU = RealLast(); | |
2299 | Standard_Real aMinV = aMinU; | |
2300 | Standard_Real aMaxU = -aMinU; | |
2301 | Standard_Real aMaxV = aMaxU; | |
2302 | ||
2303 | // Iterate over the edges to check whether the wire is periodic on conical surface | |
2304 | BRepTools_WireExplorer aWireExp(theWire); | |
2305 | for ( ; aWireExp.More(); aWireExp.Next() ) | |
2306 | { | |
2307 | const TopoDS_Edge& aCurrentEdge = aWireExp.Current(); | |
2308 | Handle(Geom2d_Curve) aC2d; | |
2309 | Standard_Real aPFirst, aPLast; | |
2310 | ||
2311 | aSAE.PCurve(aCurrentEdge, theSurf, aLoc, aC2d, aPFirst, aPLast, Standard_True); | |
2312 | ||
2313 | if ( aC2d.IsNull() ) | |
2314 | return Standard_False; | |
2315 | ||
2316 | gp_Pnt2d aUVFirst = aC2d->Value(aPFirst), | |
2317 | aUVLast = aC2d->Value(aPLast); | |
2318 | ||
2319 | Standard_Real aUFirst = aUVFirst.X(), aULast = aUVLast.X(); | |
2320 | Standard_Real aVFirst = aUVFirst.Y(), aVLast = aUVLast.Y(); | |
2321 | ||
2322 | Standard_Real aCurMaxU = Max(aUFirst, aULast), | |
2323 | aCurMinU = Min(aUFirst, aULast); | |
2324 | Standard_Real aCurMaxV = Max(aVFirst, aVLast), | |
2325 | aCurMinV = Min(aVFirst, aVLast); | |
2326 | ||
2327 | if ( aCurMinU < aMinU ) | |
2328 | aMinU = aCurMinU; | |
2329 | if ( aCurMaxU > aMaxU ) | |
2330 | aMaxU = aCurMaxU; | |
2331 | if ( aCurMinV < aMinV ) | |
2332 | aMinV = aCurMinV; | |
2333 | if ( aCurMaxV > aMaxV ) | |
2334 | aMaxV = aCurMaxV; | |
2335 | ||
2336 | Standard_Real aDeltaU = aULast - aUFirst; | |
2337 | ||
2338 | aCumulDeltaU += aDeltaU; | |
2339 | aCumulDeltaUAbs += Abs(aDeltaU); | |
2340 | } | |
2341 | ||
2342 | theMinU = aMinU; | |
2343 | theMaxU = aMaxU; | |
2344 | theMinV = aMinV; | |
2345 | theMaxV = aMaxV; | |
2346 | isUDecrease = (aCumulDeltaU < 0 ? Standard_True : Standard_False); | |
2347 | ||
2348 | Standard_Boolean is2PIDelta = Abs(aCumulDeltaUAbs - 2*M_PI) <= theTolerance; | |
2349 | Standard_Boolean isAroundApex = Abs(theMaxU - theMinU) > 2*M_PI - theTolerance; | |
2350 | ||
2351 | return is2PIDelta && isAroundApex; | |
2352 | } | |
2353 | ||
2354 | //======================================================================= | |
2355 | //function : FixPeriodicDegenerated | |
2356 | //purpose : | |
2357 | //======================================================================= | |
2358 | ||
2359 | Standard_Boolean ShapeFix_Face::FixPeriodicDegenerated() | |
2360 | { | |
2361 | /* ===================== | |
2362 | * Prepare fix routine | |
2363 | * ===================== */ | |
2364 | ||
2365 | if ( !Context().IsNull() ) | |
2366 | { | |
2367 | TopoDS_Shape aSh = Context()->Apply(myFace); | |
2368 | myFace = TopoDS::Face(aSh); | |
2369 | } | |
2370 | ||
2371 | /* ================================================ | |
2372 | * Check if fix can be applied on the passed face | |
2373 | * ================================================ */ | |
2374 | ||
2375 | // Collect all wires owned by the face | |
2376 | TopTools_SequenceOfShape aWireSeq; | |
2377 | for ( TopoDS_Iterator aWireIt(myFace, Standard_False); aWireIt.More(); aWireIt.Next() ) | |
2378 | { | |
2379 | const TopoDS_Shape& aSubSh = aWireIt.Value(); | |
2380 | if ( aSubSh.ShapeType() != TopAbs_WIRE || ( aSubSh.Orientation() != TopAbs_FORWARD && | |
2381 | aSubSh.Orientation() != TopAbs_REVERSED ) ) | |
2382 | continue; | |
2383 | ||
2384 | aWireSeq.Append( aWireIt.Value() ); | |
2385 | } | |
2386 | ||
2387 | // Get number of wires and surface | |
2388 | Standard_Integer aNbWires = aWireSeq.Length(); | |
2389 | Handle(Geom_Surface) aSurface = BRep_Tool::Surface(myFace); | |
2390 | ||
2391 | // Only single wires on conical surfaces are checked | |
2392 | if ( aNbWires != 1 || aSurface.IsNull() || | |
2393 | aSurface->DynamicType() != STANDARD_TYPE(Geom_ConicalSurface) ) | |
2394 | return Standard_False; | |
2395 | ||
2396 | // Get the single wire | |
2397 | TopoDS_Wire aSoleWire = TopoDS::Wire( aWireSeq.Value(1) ); | |
2398 | ||
2399 | // Check whether this wire is belting the conical surface by period | |
2400 | Handle(Geom_ConicalSurface) aConeSurf = Handle(Geom_ConicalSurface)::DownCast(aSurface); | |
2401 | Standard_Real aMinLoopU = 0.0, aMaxLoopU = 0.0, aMinLoopV = 0.0, aMaxLoopV = 0.0; | |
2402 | Standard_Boolean isUDecrease = Standard_False; | |
2403 | ||
2404 | Standard_Boolean isConicLoop = IsPeriodicConicalLoop(aConeSurf, aSoleWire, Precision(), | |
2405 | aMinLoopU, aMaxLoopU, | |
2406 | aMinLoopV, aMaxLoopV, | |
2407 | isUDecrease); | |
2408 | ||
2409 | if ( !isConicLoop ) | |
2410 | return Standard_False; | |
2411 | ||
2412 | /* =============== | |
2413 | * Retrieve apex | |
2414 | * =============== */ | |
2415 | ||
2416 | // Get base circle of the conical surface (the circle it was built from) | |
2417 | Handle(Geom_Curve) aConeBaseCrv = aConeSurf->VIso(0.0); | |
2418 | Handle(Geom_Circle) aConeBaseCirc = Handle(Geom_Circle)::DownCast(aConeBaseCrv); | |
2419 | ||
2420 | // Retrieve conical props | |
2421 | Standard_Real aConeBaseR = aConeBaseCirc->Radius(); | |
2422 | Standard_Real aSemiAngle = aConeSurf->SemiAngle(); | |
2423 | ||
2424 | if ( fabs(aSemiAngle) <= Precision::Confusion() ) | |
2425 | return Standard_False; // Bad surface | |
2426 | ||
2427 | // Find the V parameter of the apex | |
2428 | Standard_Real aConeBaseH = aConeBaseR / Sin(aSemiAngle); | |
2429 | Standard_Real anApexV = -aConeBaseH; | |
2430 | ||
2431 | // Get apex vertex | |
2432 | TopoDS_Vertex anApex = BRepBuilderAPI_MakeVertex( aConeSurf->Apex() ); | |
2433 | ||
2434 | // ==================================== | |
2435 | // Build degenerated edge in the apex | |
2436 | // ==================================== | |
2437 | ||
2438 | TopoDS_Edge anApexEdge; | |
2439 | BRep_Builder aBuilder; | |
2440 | aBuilder.MakeEdge(anApexEdge); | |
2441 | ||
2442 | // Check if positional relationship between the initial wire and apex | |
2443 | // line in 2D is going to be consistent | |
2444 | if ( fabs(anApexV - aMinLoopV) <= Precision() || | |
2445 | fabs(anApexV - aMaxLoopV) <= Precision() || | |
2446 | ( anApexV < aMaxLoopV && anApexV > aMinLoopV ) ) | |
2447 | return Standard_False; | |
2448 | ||
2449 | Handle(Geom2d_Line) anApexCurve2d; | |
2450 | ||
2451 | // Apex curve below the wire | |
2452 | if ( anApexV < aMinLoopV ) | |
2453 | { | |
2454 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMinLoopU, anApexV), gp_Dir2d(1, 0) ); | |
2455 | if ( !isUDecrease ) | |
2456 | aSoleWire.Reverse(); | |
2457 | } | |
2458 | ||
2459 | // Apex curve above the wire | |
2460 | if ( anApexV > aMaxLoopV ) | |
2461 | { | |
2462 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMaxLoopU, anApexV), gp_Dir2d(-1, 0) ); | |
2463 | if ( isUDecrease ) | |
2464 | aSoleWire.Reverse(); | |
2465 | } | |
2466 | ||
2467 | // Create degenerated edge & wire for apex | |
2468 | aBuilder.UpdateEdge( anApexEdge, anApexCurve2d, myFace, Precision() ); | |
2469 | aBuilder.Add( anApexEdge, anApex ); | |
2470 | aBuilder.Add( anApexEdge, anApex.Reversed() ); | |
2471 | aBuilder.Degenerated(anApexEdge, Standard_True); | |
2472 | aBuilder.Range( anApexEdge, 0, fabs(aMaxLoopU - aMinLoopU) ); | |
2473 | TopoDS_Wire anApexWire = BRepBuilderAPI_MakeWire(anApexEdge); | |
2474 | ||
2475 | // =============================================================== | |
2476 | // Finalize the fix building new face and setting up the results | |
2477 | // =============================================================== | |
2478 | ||
2479 | // Collect the resulting set of wires | |
2480 | TopTools_SequenceOfShape aNewWireSeq; | |
2481 | aNewWireSeq.Append(aSoleWire); | |
2482 | aNewWireSeq.Append(anApexWire); | |
2483 | ||
2484 | // Assemble new face | |
2485 | TopoDS_Face aNewFace = TopoDS::Face( myFace.EmptyCopied() ); | |
2486 | aNewFace.Orientation(TopAbs_FORWARD); | |
2487 | BRep_Builder aFaceBuilder; | |
2488 | for ( Standard_Integer i = 1; i <= aNewWireSeq.Length(); i++ ) | |
2489 | { | |
2490 | TopoDS_Wire aNewWire = TopoDS::Wire( aNewWireSeq.Value(i) ); | |
2491 | aFaceBuilder.Add(aNewFace, aNewWire); | |
2492 | } | |
2493 | aNewFace.Orientation( myFace.Orientation() ); | |
2494 | ||
2495 | // Adjust the resulting state of the healing tool | |
2496 | myResult = aNewFace; | |
2497 | Context()->Replace(myFace, myResult); | |
2498 | ||
2499 | return Standard_True; | |
2500 | } |